Harukarisk*Land / 戸松遥
name: Harukarisk*Land / Haruka Tomatsu
type: Release
date published: 2015-03-18
creator: Keiichi Oosawa
catalogue number: SMCL-377
created: 2015-03-18
type: MusicAlbum
by artist: Keiichi Oosawa

DIABOLIK LOVERS Bloody Songs -SUPER BEST II- MUKAMI
title: ディアボリックラバーズ ブラッディソングス スーパーベストII 無神家ver
type: Performance

ANONYMOUS;CODE Shudaikashuu
name: ANONYMOUS;CODE 主題歌集
name: ANONYMOUS;CODE SONGS FILE @en
type: Performance

Belle révolte / 鈴木愛奈
title: Belle révolte / Aina Suzuki
type: Composition

うれD / GREEEEN [初回限定盤A]
name: Ure D / GREEEEN [Limited Edition A]
by artist: Keiichi Oosawa
type: MusicAlbum
type: Release
created: 2018-04-11
catalogue number: UPCH-7400
date published: 2018-04-11
creator: Keiichi Oosawa

Now On Air / 伊藤美来 [限定盤]
type: Performance
name: Now On Air / Miku Ito [Limited Edition]

TVアニメ『ハマトラ』キャラクターファイルシリーズ File-06 バースデイ / バースデイ(CV:福山潤)
name: HAMATORA Character File Series File-06 BIRTHDAY / Birthday (CV: Jun Fukuyama)
type: Performance

Keiichi Oosawa
album: Rejet Sound Collection「Beautiful World」
made: To Be Continued? / 佐土原かおり [完全初回限定生産仕様]
made: Wake Up, Best! 3 [Limited Edition]
album: Wake Up, Best! 3 [Limited Edition]
made: TVアニメーション「問題児たちが異世界から来るそうですよ?」サウンド・コミュニティII
album: PURE×PURE×PURE / Purely Monster [DVD Edition]
album: Ambitious / Erabareshi [Regular Edition A]
album: TVアニメ『最弱テイマーはゴミ拾いの旅を始めました』ORIGINAL SOUNDTRACK
made: PACHI PACHI PARTY / Haruka Tomatsu
made: ANONYMOUS;CODE Shudaikashuu
performed: Wake Up, Best! 3
made: 進化理論 / BOYS AND MEN [初回限定盤A]
made: 進化理論 / BOYS AND MEN [初回限定盤B]
album: DIABOLIK LOVERS MORE CHARACTER SONG Vol.10 苺の罪(ストロベリィジャム) VO.逆巻レイジ CV.小西克幸
album: PACHI PACHI PARTY / 戸松遥
album: カレイドスコープ / MEZZO
made: Belle révolte / Aina Suzuki [Limited Edition]
made: To Be Continued? / 佐土原かおり
album: ディアボリックラバーズ ブラッディソングス スーパーベスト
made: Tsubaki Takizakura Girls' High School Idol Club After Party Album!
album: IROKARECIPE ~Tsundere Kareshi, Ohisama Kareshi to Tsukuru Torochee Curry Mapo Doufu~ / Kosei Matsumura (cv. Makoto Furukawa), Akase Kawakita (cv. Ryota Suzuki)
album: Tsubaki Takizakura Girls' High School Idol Club After Party Album!
album: ISLAND Original Soundtrack
made: Meiji Tokyo Renka Ending Theme Collection
made: SHOW BY ROCK!! Vol.6 Bonus CD
made: DIABOLIK LOVERS MORE CHARACTER SONG Vol.10 苺の罪(ストロベリィジャム) VO.逆巻レイジ CV.小西克幸
album: 果てのない旅 / 鈴木愛奈
made: lyrics
made: One's Rock / Kanako Ito
made: Waku Waku Mitsuketa! Kodomo no Uta Land
made: Wake Up, Best! MEMORIAL
album: Wake Up, Best! MEMORIAL
album: Who's Me? / Asaka
made: Who's Me? / Asaka
made: Kodomo no Uta ~Minna no Ohisama Songs~ Best 40
made: SASURAI / Tsurezurenaru Ayatsuri Mugenan
made: To Be Continued? / Kaori Sadohara [Limited Edition]
made: HAMATORACKS
made: PURE×PURE×PURE / ピュアリーモンスター [通常盤A]
album: SASURAI / Tsurezurenaru Ayatsuri Mugenan
album: KONO TATE NI, KAKUREMASU. / Junjo no Afilia [DVD Edition]
album: らぶティカル☆パレード/多次元トラベリング / ピュアリーモンスター [DVD付盤]
album: ANONYMOUS;CODE Shudaikashuu
made: ユミアのアトリエ ～追憶の錬金術士と幻創の地～ オリジナルサウンドトラック
made: TVアニメ『最弱テイマーはゴミ拾いの旅を始めました』ORIGINAL SOUNDTRACK
album: 超感デスティニー / THRIVE
made: PACHI PACHI PARTY / 戸松遥
made: BELIEVE MYSELF / Asaka [DVD Edition]
album: 進化理論 / BOYS AND MEN [初回限定盤A]
made: 燦・燦・SUN様!!! / ゆずcv.住谷哲栄、ジンジャーcv.羽多野渉、ヒノキcv. 伊東健人
album: Like? or Love?/究極アンバランス! / 純情のアフィリア [アニメタイアップ盤]
type: MusicGroup
made: TVアニメ『東京リベンジャーズ』EP 01
made: IROKARECIPE ~Tsundere Kareshi, Ohisama Kareshi to Tsukuru Torochee Curry Mapo Doufu~ / Kosei Matsumura (cv. Makoto Furukawa), Akase Kawakita (cv. Ryota Suzuki)
album: Kono Sekai ni Mahou Nante Nai yo/Hajimete no SEASON / Junjou no Afilia [Anime Collaboration Edition]
made: 戸松遥 BEST SELECTION -starlight- / 戸松遥
made: Harukarisk*Land / 戸松遥
made: ebb and flow / Ray
album: ディアボリックラバーズ ブラッディソングス スーパーベストII 無神家ver
made: Meiji Tokyo Renka Ending Theme Collection Koudanshi Solo ver. CD
made: BAD HOWLING-惡意共鳴-
made: らぶティカル☆パレード/多次元トラベリング / ピュアリーモンスター [DVD付盤]
made: TVアニメ『明治東亰恋伽』サウンドトラック
made: DIABOLIK LOVERS Bloody Songs -SUPER BEST II- SAKAMAKI
made: Now On Air / 伊藤美来
made: Belle révolte / Aina Suzuki
album: スクールガールストライカーズ ～トゥインクルメロディーズ～ Melody Collection Vol.2
album: Lovetical☆Parade/Tajigen Traveling / Purely Monster [Regular Edition A]
made: ebb and flow / Ray [Limited Edition]
album: Honno Sparkle / Aina Suzuki [Limited Edition]
made: Like? or Love?/究極アンバランス! / 純情のアフィリア [DVD付盤]
made: Oasis / Roro Morooka (CV: Nako Eguchi)
made: Happy days / Ray [Limited Edition]
album: Meiji Tokyo Renka Ending Theme Collection
album: TVアニメ『賢者の弟子を名乗る賢者』オリジナル・サウンドトラック
album: BELIEVE MYSELF / Asaka [DVD Edition]
made: KONO TATE NI, KAKUREMASU. / Junjo no Afilia [DVD Edition]
made: 音楽少女 Special Song CD vol.2
album: DIABOLIK LOVERS Character Song Vol.3 Laito Sakamaki "BLOODY SABBATH" CV. Daisuke Hirakawa
type: Person

アイム / 夢見クジラ feat. つむぎしゃち（from キミのね）
title: AIM / Kujira Yumemi feat. Shachi Tsumugi (from Kiminone)
type: Composition

Belle révolte / 鈴木愛奈 [完全生産限定盤]
type: Composition
title: Belle révolte / Aina Suzuki [Limited Edition]

Nostalgie Roman Renkashuu ~Meiji Tokyo Renka 10th Anniversary Album~
type: Release
creator: Keiichi Oosawa
name: 『ノスタルジイ浪漫恋歌集』～明治東亰恋伽 10周年記念アルバム～
type: MusicAlbum
date published: 2021-10-06
created: 2021-10-06
by artist: Keiichi Oosawa
catalogue number: USSW-0321

暁 / 佐々木李子
title: Akatsuki / Rico Sasaki
type: Performance

SASURAI / Tsurezurenaru Ayatsuri Mugenan
created: 2016-04-20
creator: Keiichi Oosawa
type: Release
date published: 2016-04-20
by artist: Keiichi Oosawa
catalogue number: PCCG-70294
name: 流離~SASURAI~ / 徒然なる操り霧幻庵
type: MusicAlbum

ディアボリックラバーズ ブラッディソングス スーパーベストII 無神家ver
title: DIABOLIK LOVERS Bloody Songs -SUPER BEST II- MUKAMI
creator: Keiichi Oosawa
date published: 2015-08-19
type: Release
type: MusicAlbum
by artist: Keiichi Oosawa
catalogue number: REC-328
created: 2015-08-19

TVアニメ「ISLAND」オリジナル・サウンドトラック
title: ISLAND Original Soundtrack
type: Performance

スクールガールストライカーズ ～トゥインクルメロディーズ～ Melody Collection
title: Schoolgirl Strikers ~Twinkle Melodies~ Melody Collection
type: Performance

Wake Up, Best! 3 [Limited Edition]
by artist: Keiichi Oosawa
type: Performance
performer: Keiichi Oosawa

スクールガールストライカーズ ～トゥインクルメロディーズ～ Melody Collection Vol.2
title: Schoolgirl Strikers ~Twinkle Melodies~ Melody Collection Vol.2
by artist: Keiichi Oosawa
type: Release
type: MusicAlbum
date published: 2018-08-17
catalogue number: AVCD-93956~7/B
creator: Keiichi Oosawa
created: 2018-08-17

TVアニメ『明治東亰恋伽』サウンドトラック
date published: 2019-04-24
name: TV Animation MEIJI TOKYO RENKA Soundtrack
created: 2019-04-24
by artist: Keiichi Oosawa
type: MusicAlbum
catalogue number: USSW-0170
type: Release
creator: Keiichi Oosawa

Haruka Tomatsu BEST SELECTION -starlight- / Haruka Tomatsu [Limited Edition]
catalogue number: SMCL-433~4
creator: Keiichi Oosawa
type: MusicAlbum
created: 2016-06-15
type: Release
date published: 2016-06-15
title: 戸松遥 BEST SELECTION -starlight- / 戸松遥
by artist: Keiichi Oosawa

果てのない旅 / 鈴木愛奈
type: Performance
title: Hate no Nai Tabi / Aina Suzuki

TV Anime "Kubo-san wa Mob wo Yurusanai" Original Soundtrack
type: Performance
name: Kubo Won't Let Me Be Invisible Original Soundtrack @en
title: TVアニメ『久保さんは僕を許さない』オリジナル・サウンドトラック

PURE×PURE×PURE / ピュアリーモンスター [通常盤A]
title: PURE×PURE×PURE / Purely Monster [Regular Edition A]
type: Composition

Hate no Nai Tabi / Aina Suzuki [Limited Edition]
type: Performance
title: 果てのない旅 / 鈴木愛奈 [初回限定盤]

Intermezzo / MEZZO" [初回限定盤B]
title: Intermezzo / MEZZO" [Limited Edition B]
type: Performance

TV Anime "Saijaku Tamer wa Gomi Hiroi no Tabi wo Hajimemashita" ORIGINAL SOUNDTRACK
title: TVアニメ『最弱テイマーはゴミ拾いの旅を始めました』ORIGINAL SOUNDTRACK
type: Composition

PACHI PACHI PARTY / Haruka Tomatsu
title: PACHI PACHI PARTY / 戸松遥
type: Performance

椿滝桜女学院高等学校スクールアイドル部 後夜祭アルバム!
name: Tsubaki Takizakura Girls' High School Idol Club After Party Album!
type: Performance

BELIEVE MYSELF / Asaka [Anime Edition]
name: BELIEVE MYSELF / 亜咲花 [アニメ盤]
type: Performance

To Be Continued? / Kaori Sadohara [Limited Edition]
title: To Be Continued? / 佐土原かおり [完全初回限定生産仕様]
type: Performance

戸松遥 BEST SELECTION -starlight- / 戸松遥
type: Performance
title: Haruka Tomatsu BEST SELECTION -starlight- / Haruka Tomatsu [Limited Edition]

DIABOLIK LOVERS MORE CHARACTER SONG Vol.8 KILLYOU,AGAIN VO.無神アズサ CV.岸尾だいすけ
title: DIABOLIK LOVERS MORE CHARACTER SONG Vol.8 KILLYOU,AGAIN VO. Azusa Mukami CV. Daisuke Kishio
created: 2015-02-18
date published: 2015-02-18
creator: Keiichi Oosawa
type: MusicAlbum
catalogue number: REC-137
by artist: Keiichi Oosawa
type: Release

Intermezzo / MEZZO
type: Performance

KONO TATE NI, KAKUREMASU. / Junjo no Afilia [DVD Edition]
created: 2023-02-28
by artist: Keiichi Oosawa
type: MusicAlbum
type: Release
catalogue number: USSW-0395
creator: Keiichi Oosawa
name: この盾に、隠れます。 / 純情のアフィリア [DVD付盤]
date published: 2023-02-28

TVアニメ「SHOW BY ROCK!!」BEST Selection!!
creator: Keiichi Oosawa
name: TV Animation SHOW BY ROCK!! BEST Selection!!
composer: Keiichi Oosawa
type: Composition

TV Anime "Kubo-san wa Mob wo Yurusanai" Original Soundtrack
date published: 2023-06-07
name: TVアニメ『久保さんは僕を許さない』オリジナル・サウンドトラック
created: 2023-06-07
creator: Keiichi Oosawa
catalogue number: PCSP-05069
type: Release
name: Kubo Won't Let Me Be Invisible Original Soundtrack @en
by artist: Keiichi Oosawa
type: MusicAlbum

燦・燦・SUN様!!! / ゆずcv.住谷哲栄、ジンジャーcv.羽多野渉、ヒノキcv. 伊東健人
name: San, San, SUN Summer!! / Yuzu cv. Tetsuei Sumiya, Ginger cv. Wataru Hatano, Hinoki cv. Kent Ito
catalogue number: FPBD-0658
creator: Keiichi Oosawa
created: 2021-08-31
type: MusicAlbum
date published: 2021-08-31
by artist: Keiichi Oosawa
type: Release

Wake Up, Best! MEMORIAL
type: Composition

Lovely trouble / Sasame Mitsukuri (CV: Karin Takahashi)
title: Lovely trouble / 箕作沙々芽(CV:高橋花林)
type: Composition

Milky Ray / Ray
type: MusicAlbum
creator: Keiichi Oosawa
type: Release
by artist: Keiichi Oosawa
date published: 2014-06-04
created: 2014-06-04
catalogue number: GNCA-1407

TV Animation MEIJI TOKYO RENKA Soundtrack
name: TVアニメ『明治東亰恋伽』サウンドトラック
type: Composition

スクールガールストライカーズ ～トゥインクルメロディーズ～ Melody Collection Vol.2
name: Schoolgirl Strikers ~Twinkle Melodies~ Melody Collection Vol.2
type: Composition

BELIEVE MYSELF / Asaka [Anime Edition]
created: 2021-11-10
type: MusicAlbum
date published: 2021-11-10
type: Release
title: BELIEVE MYSELF / 亜咲花 [アニメ盤]
by artist: Keiichi Oosawa
catalogue number: USSW-0330
creator: Keiichi Oosawa

Wake Up, Best! 3
type: Composition

SHOW BY ROCK!! Vol.6 Bonus CD
type: Performance
name: SHOW BY ROCK!! 第6巻 特典CD

SHOW BY ROCK!!# きゃにめ.jp特典CD 徒然なる操り霧幻庵CD「流離~SASURAI~」収録曲のソロバージョン全6曲収録ミニアルバム
title: SHOW BY ROCK!!# canime.jp Bonus CD Tsurezurenaru Ayatsuri Mugenan CD "SASURAI" Shuurokukyoku no Solo Version Zen 6-kyoku Shuuroku Mini Album
type: Release
by artist: Keiichi Oosawa
catalogue number: DSP-02116
type: MusicAlbum
created: 2017-01-18
creator: Keiichi Oosawa
date published: 2017-01-18

スクールガールストライカーズ ～トゥインクルメロディーズ～ Melody Collection Vol.2
name: Schoolgirl Strikers ~Twinkle Melodies~ Melody Collection Vol.2
type: Performance

DIABOLIK LOVERS MORE CHARACTER SONG Vol.10 Strawberry Jam VO. Reiji Sakamaki CV. Katsuyuki Konishi
type: Performance
title: DIABOLIK LOVERS MORE CHARACTER SONG Vol.10 苺の罪(ストロベリィジャム) VO.逆巻レイジ CV.小西克幸

Milky Ray / Ray [Limited Edition]
type: Performance

To Be Continued? / 佐土原かおり
title: To Be Continued? / Kaori Sadohara
type: Performance

Lovetical☆Parade/Tajigen Traveling / Purely Monster [Regular Edition A]
title: らぶティカル☆パレード/多次元トラベリング / ピュアリーモンスター [通常盤A]
creator: Keiichi Oosawa
catalogue number: USSW-0172
date published: 2020-03-04
type: MusicAlbum
created: 2020-03-04
by artist: Keiichi Oosawa
type: Release

KING OF FIRE
type: MusicAlbum
type: Release
by artist: Keiichi Oosawa
date published: 2019-11-20
catalogue number: VICL-65269
created: 2019-11-20
creator: Keiichi Oosawa

PURE×PURE×PURE / Purely Monster [DVD Edition]
date published: 2021-02-24
by artist: Keiichi Oosawa
created: 2021-02-24
catalogue number: USSW-0290
type: Release
title: PURE×PURE×PURE / ピュアリーモンスター [DVD付盤]
creator: Keiichi Oosawa
type: MusicAlbum

ほんのスパークル / 鈴木愛奈
type: MusicAlbum
title: Honno Sparkle / Aina Suzuki
type: Release
created: 2025-02-05
catalogue number: LACA-25143
by artist: Keiichi Oosawa
date published: 2025-02-05
creator: Keiichi Oosawa

DIABOLIK LOVERS MORE CHARACTER SONG Vol.8 KILLYOU,AGAIN VO.無神アズサ CV.岸尾だいすけ
title: DIABOLIK LOVERS MORE CHARACTER SONG Vol.8 KILLYOU,AGAIN VO. Azusa Mukami CV. Daisuke Kishio
type: Performance

進化理論 / BOYS AND MEN [初回限定盤B]
name: Shinkariron / BOYS AND MEN [Limited Edition B]
type: Composition
composer: Keiichi Oosawa
creator: Keiichi Oosawa

『ノスタルジイ浪漫恋歌集』～明治東亰恋伽 10周年記念アルバム～
title: Nostalgie Roman Renkashuu ~Meiji Tokyo Renka 10th Anniversary Album~
type: Composition

こどものうた 〜みんなのおひさまソングス〜 ベスト40
name: Kodomo no Uta ~Minna no Ohisama Songs~ Best 40
type: Composition

DIABOLIK LOVERS MORE CHARACTER SONG Vol.1 アルカディア VO.逆巻アヤト CV.緑川 光
by artist: Keiichi Oosawa
catalogue number: REC-130
name: DIABOLIK LOVERS MORE CHARACTER SONG Vol.1 Arcadia VO. Ayato Sakamaki CV. Hikaru Midorikawa
creator: Keiichi Oosawa
type: MusicAlbum
created: 2014-07-16
type: Release
date published: 2014-07-16

進化理論 / BOYS AND MEN
name: Shinkariron / BOYS AND MEN
type: Performance

Shinkariron / BOYS AND MEN [Limited Edition B]
name: 進化理論 / BOYS AND MEN [初回限定盤B]
type: Performance

To Be Continued? / 佐土原かおり [完全初回限定生産仕様]
by artist: Keiichi Oosawa
type: MusicAlbum
title: To Be Continued? / Kaori Sadohara [Limited Edition]
date published: 2013-01-30
creator: Keiichi Oosawa
created: 2013-01-30
catalogue number: COZC-749~50
type: Release

Ambitious / エラバレシ [DVD付盤]
title: Ambitious / Erabareshi [DVD Edition]
type: Composition

ディアボリックラバーズ ブラッディソングス スーパーベストII 無神家ver
name: DIABOLIK LOVERS Bloody Songs -SUPER BEST II- MUKAMI
type: Composition

ISLAND Original Soundtrack
created: 2018-09-26
type: MusicAlbum
title: TVアニメ「ISLAND」オリジナル・サウンドトラック
date published: 2018-09-26
creator: Keiichi Oosawa
type: Release
by artist: Keiichi Oosawa
catalogue number: USSW-0124

TOKYO REVENGERS EP 01
type: Release
by artist: Keiichi Oosawa
creator: Keiichi Oosawa
type: MusicAlbum
catalogue number: PCCG-02030
date published: 2021-07-21
title: TVアニメ『東京リベンジャーズ』EP 01
created: 2021-07-21

Who's Me? / 亜咲花
title: Who's Me? / Asaka
type: Performance

Now On Air / 伊藤美来 [限定盤]
by artist: Keiichi Oosawa
catalogue number: COZC-2085~6
created: 2024-05-01
title: Now On Air / Miku Ito [Limited Edition]
type: MusicAlbum
date published: 2024-05-01
creator: Keiichi Oosawa
type: Release

Moshi, Kono Sekai ni Kamisama ga Iru to suru Naraba. Original Soundtrack
name: もし、この世界に神様がいるとするならば。 オリジナルサウンドトラック
type: Composition

イロカレシピ～ツンデレ彼氏、おひさま彼氏と作るトロチーカレー麻婆豆腐～ / 松村岬青(cv.古川慎)、河北橙星(cv.鈴木崚汰)
name: IROKARECIPE ~Tsundere Kareshi, Ohisama Kareshi to Tsukuru Torochee Curry Mapo Doufu~ / Kosei Matsumura (cv. Makoto Furukawa), Akase Kawakita (cv. Ryota Suzuki)
type: Performance

Like? or Love?/究極アンバランス! / 純情のアフィリア [通常盤A]
title: Like? or Love?/Kyuukyoku Unbalance! / Junjou no Afilia [Regular Edition A]
type: Performance

ディアボリックラバーズ ブラッディソングス スーパーベスト
type: Performance
title: DIABOLIK LOVERS Bloody Songs -SUPER BEST-

Milky Ray / Ray [Limited Edition]
type: MusicAlbum
created: 2014-06-04
catalogue number: GNCA-1406
creator: Keiichi Oosawa
by artist: Keiichi Oosawa
date published: 2014-06-04
type: Release

PURE×PURE×PURE / ピュアリーモンスター [DVD付盤]
title: PURE×PURE×PURE / Purely Monster [DVD Edition]
type: Performance

Wake Up, Best! 3 [Limited Edition]
type: Composition

Oasis / Roro Morooka (CV: Nako Eguchi)
title: オアシス / 諸岡ろろ(CV:江口菜子)
type: Composition

戸松遥 BEST SELECTION -starlight- / 戸松遥
composer: Keiichi Oosawa
type: Composition
title: Haruka Tomatsu BEST SELECTION -starlight- / Haruka Tomatsu
creator: Keiichi Oosawa

Harukarisk*Land / Haruka Tomatsu
title: Harukarisk*Land / 戸松遥
type: Performance

Intermezzo / MEZZO
creator: Keiichi Oosawa
type: Release
type: MusicAlbum
by artist: Keiichi Oosawa
created: 2021-10-20
catalogue number: LACA-15890
date published: 2021-10-20

音楽少女 Special Song CD vol.2
name: Ongaku shoujo Special Song CD vol.2
type: Release
created: 2018-12-26
creator: Keiichi Oosawa
date published: 2018-12-26
catalogue number: SSX-10464
by artist: Keiichi Oosawa
type: MusicAlbum

TVアニメ「明治東亰恋伽」エンディングテーマ集
type: Performance
name: Meiji Tokyo Renka Ending Theme Collection

TVアニメ『七つの魔剣が支配する』オリジナルサウンドトラック
created: 2023-09-27
type: MusicAlbum
name: Nanatsu no Maken ga Shihai suru ORIGINAL SOUNDTRACK
by artist: Keiichi Oosawa
date published: 2023-09-27
creator: Keiichi Oosawa
catalogue number: LACA-9994~6
type: Release

ユミアのアトリエ ～追憶の錬金術士と幻創の地～ オリジナルサウンドトラック
creator: Keiichi Oosawa
name: Yumia no Atelier ~Tsuioku no Renkinjutsushi to Gensou no Chi~ Original Soundtrack
composer: Keiichi Oosawa
type: Composition

DIABOLIK LOVERS MORE CHARACTER SONG Vol.1 アルカディア VO.逆巻アヤト CV.緑川 光
title: DIABOLIK LOVERS MORE CHARACTER SONG Vol.1 Arcadia VO. Ayato Sakamaki CV. Hikaru Midorikawa
type: Performance

Harukarisk*Land / 戸松遥
composer: Keiichi Oosawa
type: Composition
name: Harukarisk*Land / Haruka Tomatsu [Limited Edition]
creator: Keiichi Oosawa

Shinkariron / BOYS AND MEN
name: 進化理論 / BOYS AND MEN
creator: Keiichi Oosawa
composer: Keiichi Oosawa
type: Composition

AIM / Kujira Yumemi feat. Shachi Tsumugi (from Kiminone)
title: アイム / 夢見クジラ feat. つむぎしゃち（from キミのね）
type: Performance

ebb and flow / Ray
type: Performance

ebb and flow / Ray
creator: Keiichi Oosawa
type: Composition
composer: Keiichi Oosawa

TVアニメ『東京リベンジャーズ』EP 01
title: TOKYO REVENGERS EP 01
type: Composition
composer: Keiichi Oosawa
creator: Keiichi Oosawa

TVアニメ『最弱テイマーはゴミ拾いの旅を始めました』ORIGINAL SOUNDTRACK
created: 2024-03-27
by artist: Keiichi Oosawa
title: TV Anime "Saijaku Tamer wa Gomi Hiroi no Tabi wo Hajimemashita" ORIGINAL SOUNDTRACK
type: MusicAlbum
type: Release
creator: Keiichi Oosawa
date published: 2024-03-27
catalogue number: LZC-2735

TVアニメ『七つの魔剣が支配する』オリジナルサウンドトラック
title: Nanatsu no Maken ga Shihai suru ORIGINAL SOUNDTRACK
type: Performance

Tsubaki Takizakura Girls' High School Idol Club After Party Album!
date published: 2024-08-21
type: MusicAlbum
creator: Keiichi Oosawa
catalogue number: LACZ-10205
name: 椿滝桜女学院高等学校スクールアイドル部 後夜祭アルバム!
type: Release
created: 2024-08-21
by artist: Keiichi Oosawa

BAD HOWLING-惡意共鳴-
type: MusicAlbum
catalogue number: REC-873
type: Release
title: BAD HOWLING -Warui Kyoumei-
creator: Keiichi Oosawa
created: 2019-03-27
date published: 2019-03-27
by artist: Keiichi Oosawa

この盾に、隠れます。 / 純情のアフィリア [A盤]
type: Performance
name: KONO TATE NI, KAKUREMASU. / Junjo no Afilia [Edition A]

Like? or Love?/Kyuukyoku Unbalance! / Junjou no Afilia [Anime Tie-Up Edition]
name: Like? or Love?/究極アンバランス! / 純情のアフィリア [アニメタイアップ盤]
type: Composition

この盾に、隠れます。 / 純情のアフィリア [アニメコラボ盤]
title: KONO TATE NI, KAKUREMASU. / Junjo no Afilia [Anime Collab Edition]
type: Performance

スクールガールストライカーズ ～トゥインクルメロディーズ～ Melody Collection
title: Schoolgirl Strikers ~Twinkle Melodies~ Melody Collection
type: Composition

DIABOLIK LOVERS Bloody Songs -SUPER BEST II- SAKAMAKI
name: ディアボリックラバーズ ブラッディソングス スーパーベストII 逆巻家ver
type: Composition

Honno Sparkle / Aina Suzuki
type: Composition
title: ほんのスパークル / 鈴木愛奈

KING OF FIRE
type: Performance

もし、この世界に神様がいるとするならば。 オリジナルサウンドトラック
name: Moshi, Kono Sekai ni Kamisama ga Iru to suru Naraba. Original Soundtrack
by artist: Keiichi Oosawa
created: 2016-02-24
date published: 2016-02-24
type: Release
catalogue number: REC-415
creator: Keiichi Oosawa
type: MusicAlbum

PACHI PACHI PARTY / 戸松遥
name: PACHI PACHI PARTY / Haruka Tomatsu [Limited Edition]
creator: Keiichi Oosawa
type: Composition
composer: Keiichi Oosawa

ほんのスパークル / 鈴木愛奈
title: Honno Sparkle / Aina Suzuki
type: Performance

Kodomo no Uta ~Minna no Ohisama Songs~ Best 40
created: 2025-09-17
type: MusicAlbum
creator: Keiichi Oosawa
title: こどものうた 〜みんなのおひさまソングス〜 ベスト40
catalogue number: COCX-42535~6
by artist: Keiichi Oosawa
date published: 2025-09-17
type: Release

Wake Up, Girls! Character song series2 菊間夏夜
title: Wake Up, Girls! Character song series2 Kaya Kikuma
type: Composition

TVアニメ『東京リベンジャーズ』EP 01
composer: Keiichi Oosawa
name: TOKYO REVENGERS EP 01
creator: Keiichi Oosawa
type: Composition

DIABOLIK LOVERS MORE CHARACTER SONG Vol.8 KILLYOU,AGAIN VO.無神アズサ CV.岸尾だいすけ
name: DIABOLIK LOVERS MORE CHARACTER SONG Vol.8 KILLYOU,AGAIN VO. Azusa Mukami CV. Daisuke Kishio
type: Composition

Like? or Love?/Kyuukyoku Unbalance! / Junjou no Afilia [DVD Edition]
type: Performance
title: Like? or Love?/究極アンバランス! / 純情のアフィリア [DVD付盤]

Waku Waku Mitsuketa! Kodomo no Uta Land
date published: 2024-11-06
name: わくわくみーつけた! こどものうたランド
catalogue number: COCX-42374
type: MusicAlbum
creator: Keiichi Oosawa
type: Release
created: 2024-11-06
by artist: Keiichi Oosawa

Belle révolte / Aina Suzuki
title: Belle révolte / 鈴木愛奈
by artist: Keiichi Oosawa
created: 2021-12-01
creator: Keiichi Oosawa
type: Release
catalogue number: LACA-15919
date published: 2021-12-01
type: MusicAlbum

The Many Sides of Voice Actor Radio Character Song Album: "Yuhi to~" "Yasumi no~" "Kokosei Music~!
name: seiyu radio no ura omote Character Song Album: "Yuhi to~" "Yasumi no~" "Kokosei Music~! @en
name: 「声優ラジオのウラオモテ」キャラソン・アルバム「夕陽と～」「やすみの～」「コーコーセーミュージック～!」
type: Composition

DIABOLIK LOVERS Character Song Vol.3 Laito Sakamaki "BLOODY SABBATH" CV. Daisuke Hirakawa
type: Release
date published: 2013-08-07
creator: Keiichi Oosawa
type: MusicAlbum
title: DIABOLIK LOVERS キャラクターソング Vol.3 逆巻ライト「血濡れた密会(BLOODY SABBATH)」CV.平川大輔
by artist: Keiichi Oosawa
catalogue number: REC-046
created: 2013-08-07

カレイドスコープ / MEZZO
by artist: Keiichi Oosawa
title: Kaleidoscope / MEZZO
type: Release
type: MusicAlbum
creator: Keiichi Oosawa
catalogue number: LZC-1532
date published: 2019-11-09
created: 2019-11-09

Tsubaki Takizakura Girls' High School Idol Club After Party Album!
type: Composition
title: 椿滝桜女学院高等学校スクールアイドル部 後夜祭アルバム!

TV Anime "Saijaku Tamer wa Gomi Hiroi no Tabi wo Hajimemashita" ORIGINAL SOUNDTRACK
type: Performance
name: TVアニメ『最弱テイマーはゴミ拾いの旅を始めました』ORIGINAL SOUNDTRACK

Intermezzo / MEZZO" [Limited Edition A]
name: Intermezzo / MEZZO" [初回限定盤A]
type: Composition

果てのない旅 / 鈴木愛奈
title: Hate no Nai Tabi / Aina Suzuki
type: Composition

この盾に、隠れます。 / 純情のアフィリア [A盤]
date published: 2023-02-28
title: KONO TATE NI, KAKUREMASU. / Junjo no Afilia [Edition A]
by artist: Keiichi Oosawa
type: Release
created: 2023-02-28
creator: Keiichi Oosawa
catalogue number: USSW-0396
type: MusicAlbum

ebb and flow / Ray
created: 2014-02-05
type: Release
date published: 2014-02-05
type: MusicAlbum
creator: Keiichi Oosawa
catalogue number: GNCA-0324
by artist: Keiichi Oosawa

To Be Continued? / Kaori Sadohara
created: 2013-01-30
date published: 2013-01-30
creator: Keiichi Oosawa
type: MusicAlbum
type: Release
catalogue number: COCC-16680
name: To Be Continued? / 佐土原かおり
by artist: Keiichi Oosawa

Happy days / Ray [Limited Edition]
by artist: Keiichi Oosawa
type: MusicAlbum
type: Release
created: 2017-06-07
creator: Keiichi Oosawa
date published: 2017-06-07
catalogue number: GNCA-1506

IROKARECIPE ~Tsundere Kareshi, Ohisama Kareshi to Tsukuru Torochee Curry Mapo Doufu~ / Kosei Matsumura (cv. Makoto Furukawa), Akase Kawakita (cv. Ryota Suzuki)
type: MusicAlbum
title: イロカレシピ～ツンデレ彼氏、おひさま彼氏と作るトロチーカレー麻婆豆腐～ / 松村岬青(cv.古川慎)、河北橙星(cv.鈴木崚汰)
by artist: Keiichi Oosawa
type: Release
created: 2022-01-26
catalogue number: USSW-0333
date published: 2022-01-26
creator: Keiichi Oosawa

Ure D / GREEEEN
type: Release
catalogue number: UPCH-2153
by artist: Keiichi Oosawa
date published: 2018-04-11
name: うれD / GREEEEN
type: MusicAlbum
created: 2018-04-11
creator: Keiichi Oosawa

BAD HOWLING-惡意共鳴-
type: Performance
name: BAD HOWLING -Warui Kyoumei-

燦・燦・SUN様!!! / ゆずcv.住谷哲栄、ジンジャーcv.羽多野渉、ヒノキcv. 伊東健人
type: Composition
title: San, San, SUN Summer!! / Yuzu cv. Tetsuei Sumiya, Ginger cv. Wataru Hatano, Hinoki cv. Kent Ito

ebb and flow / Ray [Limited Edition]
date published: 2014-02-05
type: Release
created: 2014-02-05
catalogue number: GNCA-0323
creator: Keiichi Oosawa
by artist: Keiichi Oosawa
type: MusicAlbum

ディアボリックラバーズ ブラッディソングス スーパーベスト
type: Release
by artist: Keiichi Oosawa
created: 2014-05-21
title: DIABOLIK LOVERS Bloody Songs -SUPER BEST-
catalogue number: REC-100
date published: 2014-05-21
type: MusicAlbum
creator: Keiichi Oosawa

One's Rock / いとうかなこ
name: One's Rock / Kanako Ito
type: Performance

超感デスティニー / THRIVE
creator: Keiichi Oosawa
created: 2018-03-18
name: Choukan Destiny / THRIVE
date published: 2018-03-18
type: Release
by artist: Keiichi Oosawa
type: MusicAlbum
catalogue number: USSW-0087

Lovely trouble / 箕作沙々芽(CV:高橋花林)
name: Lovely trouble / Sasame Mitsukuri (CV: Karin Takahashi)
created: 2018-09-12
by artist: Keiichi Oosawa
type: MusicAlbum
catalogue number: KICM-3352
creator: Keiichi Oosawa
type: Release
date published: 2018-09-12

AIM / Kujira Yumemi feat. Shachi Tsumugi (from Kiminone)
name: アイム / 夢見クジラ feat. つむぎしゃち（from キミのね）
by artist: Keiichi Oosawa
type: MusicAlbum
created: 2023-07-08
type: Release
date published: 2023-07-08
creator: Keiichi Oosawa
catalogue number: LZC-2469

KING OF FIRE [Limited Edition]
type: MusicAlbum
catalogue number: VIZL-1669
creator: Keiichi Oosawa
type: Release
by artist: Keiichi Oosawa
date published: 2019-11-20
created: 2019-11-20

Waku Waku Mitsuketa! Kodomo no Uta Land
title: わくわくみーつけた! こどものうたランド
type: Composition

明治東亰恋伽 エンディングテーマ集 好男子ソロver. CD
name: Meiji Tokyo Renka Ending Theme Collection Koudanshi Solo ver. CD
type: Performance

PURE×PURE×PURE / ピュアリーモンスター [通常盤A]
name: PURE×PURE×PURE / Purely Monster [Regular Edition A]
type: Release
catalogue number: USSW-0291
created: 2021-02-24
by artist: Keiichi Oosawa
type: MusicAlbum
date published: 2021-02-24
creator: Keiichi Oosawa

Like? or Love?/Kyuukyoku Unbalance! / Junjou no Afilia [DVD Edition]
type: Composition
name: Like? or Love?/究極アンバランス! / 純情のアフィリア [DVD付盤]

DIABOLIK LOVERS Bloody Songs -SUPER BEST II- TSUKINAMI
title: ディアボリックラバーズ ブラッディソングス スーパーベストII 月浪家ver
type: Performance

Lovetical☆Parade/Tajigen Traveling / Purely Monster [Regular Edition A]
title: らぶティカル☆パレード/多次元トラベリング / ピュアリーモンスター [通常盤A]
type: Performance

TVアニメ『痛いのは嫌なので防御力に極振りし たいと思います。2』SOUNDTRACK
type: MusicAlbum
name: Itai no wa Iya nano de Bougyoryoku ni Kyokufuri Shitai to Omoimasu. 2 SOUNDTRACK
type: Release
by artist: Keiichi Oosawa
catalogue number: USSW-0402
created: 2023-02-15
date published: 2023-02-15
creator: Keiichi Oosawa

ほんのスパークル / 鈴木愛奈
type: Composition
name: Honno Sparkle / Aina Suzuki [Limited Edition]

I Wish / Apricot Regulus
type: Composition

BELIEVE MYSELF / 亜咲花 [アニメ盤]
title: BELIEVE MYSELF / Asaka [Anime Edition]
type: Composition

SHOW BY ROCK!! Vol.6 Bonus CD
title: SHOW BY ROCK!! 第6巻 特典CD
by artist: Keiichi Oosawa
catalogue number: PCXE-50546-2
type: Release
type: MusicAlbum
created: 2015-11-25
creator: Keiichi Oosawa
date published: 2015-11-25

Rejet Sound Collection "Beautiful World
title: Rejet Sound Collection「Beautiful World」
type: Performance

SHOW BY ROCK!!# canime.jp Bonus CD Tsurezurenaru Ayatsuri Mugenan CD "SASURAI" Shuurokukyoku no Solo Version Zen 6-kyoku Shuuroku Mini Album
name: SHOW BY ROCK!!# きゃにめ.jp特典CD 徒然なる操り霧幻庵CD「流離~SASURAI~」収録曲のソロバージョン全6曲収録ミニアルバム
type: Performance

Who's Me? / 亜咲花 [DVD付盤]
name: Who's Me? / Asaka [DVD Edition]
type: Performance

Belle révolte / Aina Suzuki [Limited Edition]
date published: 2021-12-01
title: Belle révolte / 鈴木愛奈 [初回限定盤]
type: MusicAlbum
by artist: Keiichi Oosawa
type: Release
created: 2021-12-01
creator: Keiichi Oosawa
catalogue number: LACA-35919

Wake Up, Girls! Character song series2 菊間夏夜
name: Wake Up, Girls! Character song series2 Kaya Kikuma
type: Performance

TV Animation MEIJI TOKYO RENKA Soundtrack
name: TVアニメ『明治東亰恋伽』サウンドトラック
type: Performance

I Wish / Apricot Regulus
type: Performance

DIABOLIK LOVERS Character Song Vol.3 Laito Sakamaki "BLOODY SABBATH" CV. Daisuke Hirakawa
title: DIABOLIK LOVERS キャラクターソング Vol.3 逆巻ライト「血濡れた密会(BLOODY SABBATH)」CV.平川大輔
type: Performance

Wake Up, Girls! Character song series2 Mayu Shimada
name: Wake Up, Girls! Character song series2 島田真夢
type: Composition

Meiji Tokyo Renka Ending Theme Collection Koudanshi Solo ver. CD
name: 明治東亰恋伽 エンディングテーマ集 好男子ソロver. CD
type: Composition

戸松遥 BEST SELECTION -starlight- / 戸松遥
catalogue number: SMCL-435
type: Release
by artist: Keiichi Oosawa
title: Haruka Tomatsu BEST SELECTION -starlight- / Haruka Tomatsu
type: MusicAlbum
date published: 2016-06-15
creator: Keiichi Oosawa
created: 2016-06-15

PURE×PURE×PURE / Purely Monster [DVD Edition]
name: PURE×PURE×PURE / ピュアリーモンスター [DVD付盤]
type: Composition

KING OF FIRE [Limited Edition]
type: Composition

I Wish / Apricot Regulus
created: 2017-10-25
date published: 2017-10-25
creator: Keiichi Oosawa
type: MusicAlbum
catalogue number: AVCD-83938/B
type: Release
by artist: Keiichi Oosawa

音楽少女 Special Song CD vol.2
title: Ongaku shoujo Special Song CD vol.2
type: Composition

Ure D / GREEEEN [Limited Edition A]
type: Composition
name: うれD / GREEEEN [初回限定盤A]

Shinkariron / BOYS AND MEN
created: 2018-05-09
type: MusicAlbum
creator: Keiichi Oosawa
name: 進化理論 / BOYS AND MEN
type: Release
catalogue number: UICV-5072
by artist: Keiichi Oosawa
date published: 2018-05-09

「声優ラジオのウラオモテ」キャラソン・アルバム「夕陽と～」「やすみの～」「コーコーセーミュージック～!」
name: The Many Sides of Voice Actor Radio Character Song Album: "Yuhi to~" "Yasumi no~" "Kokosei Music~!
title: seiyu radio no ura omote Character Song Album: "Yuhi to~" "Yasumi no~" "Kokosei Music~! @en
type: Performance

Hate no Nai Tabi / Aina Suzuki [Limited Edition]
name: 果てのない旅 / 鈴木愛奈 [初回限定盤]
type: Composition

SHOW BY ROCK!! Vol.6 Bonus CD
title: SHOW BY ROCK!! 第6巻 特典CD
composer: Keiichi Oosawa
creator: Keiichi Oosawa
type: Composition

宵 / 佐々木李子
type: Composition
name: Yoi / Rico Sasaki

Wake Up, Best! MEMORIAL
date published: 2019-01-23
creator: Keiichi Oosawa
type: MusicAlbum
catalogue number: EYCA-12100~7/B
created: 2019-01-23
type: Release
by artist: Keiichi Oosawa

TV Anime "Kubo-san wa Mob wo Yurusanai" Original Soundtrack
creator: Keiichi Oosawa
title: TVアニメ『久保さんは僕を許さない』オリジナル・サウンドトラック
name: Kubo Won't Let Me Be Invisible Original Soundtrack @en
composer: Keiichi Oosawa
type: Composition

Wake Up, Best! 3 [Limited Edition]
type: MusicAlbum
date published: 2018-03-28
creator: Keiichi Oosawa
type: Release
catalogue number: EYCA-11695~6/B
by artist: Keiichi Oosawa
created: 2018-03-28

Belle révolte / Aina Suzuki
type: Performance
title: Belle révolte / 鈴木愛奈

One's Rock / Kanako Ito
type: MusicAlbum
by artist: Keiichi Oosawa
catalogue number: USSW-0064
title: One's Rock / いとうかなこ
type: Release
created: 2017-11-15
date published: 2017-11-15
creator: Keiichi Oosawa

Ure D / GREEEEN
title: うれD / GREEEEN
type: Composition

うれD / GREEEEN [初回限定盤A]
name: Ure D / GREEEEN [Limited Edition A]
type: Performance

Wake Up, Girls! Character song series2 Kaya Kikuma
catalogue number: EYCA-11136
type: Release
date published: 2016-09-28
type: MusicAlbum
name: Wake Up, Girls! Character song series2 菊間夏夜
creator: Keiichi Oosawa
by artist: Keiichi Oosawa
created: 2016-09-28

TV Anime "Kenja no Deshi wo Nanoru Kenja" Original Soundtrack
title: TV Animation "She professed herself pupil of the wise man" Original Soundtrack @en
name: TVアニメ『賢者の弟子を名乗る賢者』オリジナル・サウンドトラック
type: Composition

流離~SASURAI~ / 徒然なる操り霧幻庵
type: Composition
title: SASURAI / Tsurezurenaru Ayatsuri Mugenan

Kono Sekai ni Mahou Nante Nai yo/Hajimete no SEASON / Junjou no Afilia [Anime Collaboration Edition]
by artist: Keiichi Oosawa
catalogue number: YZPB-5102
title: この世界に魔法なんてないよ/はじめてのSEASON / 純情のアフィリア [アニメコラボ盤]
date published: 2017-08-30
type: MusicAlbum
created: 2017-08-30
name: NO MAGIC IN THIS WORLD/THE FIRST SEASON / Junjou no Afilia [Anime Collaboration Edition] @en
creator: Keiichi Oosawa
type: Release

SHOW BY ROCK!!# きゃにめ.jp特典CD 徒然なる操り霧幻庵CD「流離~SASURAI~」収録曲のソロバージョン全6曲収録ミニアルバム
title: SHOW BY ROCK!!# canime.jp Bonus CD Tsurezurenaru Ayatsuri Mugenan CD "SASURAI" Shuurokukyoku no Solo Version Zen 6-kyoku Shuuroku Mini Album
type: Composition

Belle révolte / 鈴木愛奈 [完全生産限定盤]
type: MusicAlbum
by artist: Keiichi Oosawa
created: 2021-12-01
title: Belle révolte / Aina Suzuki [Limited Edition]
creator: Keiichi Oosawa
catalogue number: LACA-35918
type: Release
date published: 2021-12-01

To Be Continued? / 佐土原かおり
name: To Be Continued? / Kaori Sadohara
creator: Keiichi Oosawa
composer: Keiichi Oosawa
type: Composition

BAD HOWLING-惡意共鳴-
type: Composition
title: BAD HOWLING -Warui Kyoumei-

ANONYMOUS;CODE Shudaikashuu
by artist: Keiichi Oosawa
type: MusicAlbum
catalogue number: USSW-0355
name: ANONYMOUS;CODE SONGS FILE @en
creator: Keiichi Oosawa
date published: 2022-07-29
type: Release
name: ANONYMOUS;CODE 主題歌集
created: 2022-07-29

ほんのスパークル / 鈴木愛奈
title: Honno Sparkle / Aina Suzuki [Limited Edition]
type: Performance

Who's Me? / Asaka
name: Who's Me? / 亜咲花
type: MusicAlbum
created: 2023-06-28
type: Release
date published: 2023-06-28
by artist: Keiichi Oosawa
creator: Keiichi Oosawa
catalogue number: USSW-0414

Rejet Sound Collection "Beautiful World
name: Rejet Sound Collection「Beautiful World」
type: Composition

Itai no wa Iya nano de Bougyoryoku ni Kyokufuri Shitai to Omoimasu. 2 SOUNDTRACK
name: TVアニメ『痛いのは嫌なので防御力に極振りし たいと思います。2』SOUNDTRACK
type: Performance

Milky Ray / Ray [Limited Edition]
composer: Keiichi Oosawa
creator: Keiichi Oosawa
type: Composition

KONO TATE NI, KAKUREMASU. / Junjo no Afilia [DVD Edition]
name: この盾に、隠れます。 / 純情のアフィリア [DVD付盤]
type: Composition

進化理論 / BOYS AND MEN [初回限定盤A]
composer: Keiichi Oosawa
creator: Keiichi Oosawa
name: Shinkariron / BOYS AND MEN [Limited Edition A]
type: Composition

『ノスタルジイ浪漫恋歌集』～明治東亰恋伽 10周年記念アルバム～
type: Performance
name: Nostalgie Roman Renkashuu ~Meiji Tokyo Renka 10th Anniversary Album~

DIABOLIK LOVERS MORE CHARACTER SONG Vol.10 苺の罪(ストロベリィジャム) VO.逆巻レイジ CV.小西克幸
type: Composition
name: DIABOLIK LOVERS MORE CHARACTER SONG Vol.10 Strawberry Jam VO. Reiji Sakamaki CV. Katsuyuki Konishi

Shinkariron / BOYS AND MEN [Limited Edition A]
title: 進化理論 / BOYS AND MEN [初回限定盤A]
type: Performance

Belle révolte / 鈴木愛奈 [完全生産限定盤]
title: Belle révolte / Aina Suzuki [Limited Edition]
type: Performance

Milky Ray / Ray
composer: Keiichi Oosawa
type: Composition
creator: Keiichi Oosawa

超感デスティニー / THRIVE
name: Choukan Destiny / THRIVE
type: Composition

「声優ラジオのウラオモテ」キャラソン・アルバム「夕陽と～」「やすみの～」「コーコーセーミュージック～!」
type: Release
name: seiyu radio no ura omote Character Song Album: "Yuhi to~" "Yasumi no~" "Kokosei Music~! @en
date published: 2024-06-19
type: MusicAlbum
title: The Many Sides of Voice Actor Radio Character Song Album: "Yuhi to~" "Yasumi no~" "Kokosei Music~!
creator: Keiichi Oosawa
by artist: Keiichi Oosawa
catalogue number: COCX-42280
created: 2024-06-19

Meiji Tokyo Renka Ending Theme Collection
catalogue number: USSW-0151
created: 2019-02-27
creator: Keiichi Oosawa
type: Release
title: TVアニメ「明治東亰恋伽」エンディングテーマ集
date published: 2019-02-27
by artist: Keiichi Oosawa
type: MusicAlbum

愛しかない / Zwei
name: Ai shika Nai / Zwei
type: Performance

Harukarisk*Land / 戸松遥
name: Harukarisk*Land / Haruka Tomatsu
creator: Keiichi Oosawa
type: Composition
composer: Keiichi Oosawa

スクールガールストライカーズ ～トゥインクルメロディーズ～ Melody Collection Vol.2
type: Performance
title: Schoolgirl Strikers ~Twinkle Melodies~ Melody Collection Vol.2

Oasis / Roro Morooka (CV: Nako Eguchi)
creator: Keiichi Oosawa
date published: 2018-09-05
created: 2018-09-05
by artist: Keiichi Oosawa
type: Release
catalogue number: KICM-3351
name: オアシス / 諸岡ろろ(CV:江口菜子)
type: MusicAlbum

らぶティカル☆パレード/多次元トラベリング / ピュアリーモンスター [DVD付盤]
date published: 2020-03-04
by artist: Keiichi Oosawa
created: 2020-03-04
name: Lovetical☆Parade/Tajigen Traveling / Purely Monster [DVD Edition]
type: Release
creator: Keiichi Oosawa
type: MusicAlbum
catalogue number: USSW-0171

こどものうた 〜みんなのおひさまソングス〜 ベスト40
name: Kodomo no Uta ~Minna no Ohisama Songs~ Best 40
type: Performance

Ambitious / エラバレシ [DVD付盤]
name: Ambitious / Erabareshi [DVD Edition]
created: 2022-02-08
type: MusicAlbum
creator: Keiichi Oosawa
date published: 2022-02-08
type: Release
catalogue number: FPBD-0671
by artist: Keiichi Oosawa

BELIEVE MYSELF / Asaka [DVD Edition]
date published: 2021-11-10
type: Release
by artist: Keiichi Oosawa
type: MusicAlbum
creator: Keiichi Oosawa
catalogue number: USSW-0329
title: BELIEVE MYSELF / 亜咲花 [DVD付盤]
created: 2021-11-10

ISLAND Original Soundtrack
title: TVアニメ「ISLAND」オリジナル・サウンドトラック
type: Composition

Honno Sparkle / Aina Suzuki [Limited Edition]
type: Release
creator: Keiichi Oosawa
created: 2025-02-05
name: ほんのスパークル / 鈴木愛奈
date published: 2025-02-05
catalogue number: LACA-35143
by artist: Keiichi Oosawa
type: MusicAlbum

Meiji Tokyo Renka Ending Theme Collection Koudanshi Solo ver. CD
title: 明治東亰恋伽 エンディングテーマ集 好男子ソロver. CD
type: Release
type: MusicAlbum
by artist: Keiichi Oosawa
date published: 2019-02-27
created: 2019-02-27
catalogue number: FPBD-0519
creator: Keiichi Oosawa

Intermezzo / MEZZO" [初回限定盤A]
title: Intermezzo / MEZZO" [Limited Edition A]
type: Performance

PACHI PACHI PARTY / 戸松遥
name: PACHI PACHI PARTY / Haruka Tomatsu [Limited Edition]
type: Performance

TVアニメ『痛いのは嫌なので防御力に極振りし たいと思います。2』SOUNDTRACK
name: Itai no wa Iya nano de Bougyoryoku ni Kyokufuri Shitai to Omoimasu. 2 SOUNDTRACK
type: Composition

カレイドスコープ / MEZZO
title: Kaleidoscope / MEZZO
type: Performance

Ambitious / Erabareshi [Regular Edition A]
type: Composition
title: Ambitious / エラバレシ [通常盤A]

BELIEVE MYSELF / 亜咲花 [DVD付盤]
title: BELIEVE MYSELF / Asaka [DVD Edition]
type: Composition

HAMATORACKS
type: Performance

Rejet Sound Collection「Beautiful World」
date published: 2014-07-23
title: Rejet Sound Collection "Beautiful World
type: MusicAlbum
created: 2014-07-23
creator: Keiichi Oosawa
type: Release
catalogue number: REC-141
by artist: Keiichi Oosawa

PACHI PACHI PARTY / 戸松遥
created: 2013-07-10
creator: Keiichi Oosawa
name: PACHI PACHI PARTY / Haruka Tomatsu
by artist: Keiichi Oosawa
catalogue number: SMCL-302
type: Release
date published: 2013-07-10
type: MusicAlbum

Ambitious / エラバレシ [通常盤A]
title: Ambitious / Erabareshi [Regular Edition A]
type: Performance

Like? or Love?/究極アンバランス! / 純情のアフィリア [アニメタイアップ盤]
type: Performance
name: Like? or Love?/Kyuukyoku Unbalance! / Junjou no Afilia [Anime Tie-Up Edition]

愛しかない / Zwei
title: Ai shika Nai / Zwei
type: Composition

ユミアのアトリエ ～追憶の錬金術士と幻創の地～ オリジナルサウンドトラック
type: Performance
name: Yumia no Atelier ~Tsuioku no Renkinjutsushi to Gensou no Chi~ Original Soundtrack

KONO TATE NI, KAKUREMASU. / Junjo no Afilia [Anime Collab Edition]
type: Composition
name: この盾に、隠れます。 / 純情のアフィリア [アニメコラボ盤]

Haruka Tomatsu BEST SELECTION -starlight- / Haruka Tomatsu
name: 戸松遥 BEST SELECTION -starlight- / 戸松遥
type: Performance

Belle révolte / 鈴木愛奈 [初回限定盤]
name: Belle révolte / Aina Suzuki [Limited Edition]
type: Composition

Milky Ray / Ray
type: Performance

To Be Continued? / Kaori Sadohara [Limited Edition]
creator: Keiichi Oosawa
type: Composition
composer: Keiichi Oosawa
name: To Be Continued? / 佐土原かおり [完全初回限定生産仕様]

スクールガールストライカーズ ～トゥインクルメロディーズ～ Melody Collection Vol.2
name: Schoolgirl Strikers ~Twinkle Melodies~ Melody Collection Vol.2
type: Composition

TVアニメ『ハマトラ』キャラクターファイルシリーズ File-06 バースデイ / バースデイ(CV:福山潤)
name: HAMATORA Character File Series File-06 BIRTHDAY / Birthday (CV: Jun Fukuyama)
type: Composition

イロカレシピ～ツンデレ彼氏、おひさま彼氏と作るトロチーカレー麻婆豆腐～ / 松村岬青(cv.古川慎)、河北橙星(cv.鈴木崚汰)
name: IROKARECIPE ~Tsundere Kareshi, Ohisama Kareshi to Tsukuru Torochee Curry Mapo Doufu~ / Kosei Matsumura (cv. Makoto Furukawa), Akase Kawakita (cv. Ryota Suzuki)
type: Composition

Harukarisk*Land / Haruka Tomatsu [Limited Edition]
creator: Keiichi Oosawa
type: Release
catalogue number: SMCL-375~6
by artist: Keiichi Oosawa
name: Harukarisk*Land / 戸松遥
type: MusicAlbum
created: 2015-03-18
date published: 2015-03-18

この盾に、隠れます。 / 純情のアフィリア [DVD付盤]
type: Performance
title: KONO TATE NI, KAKUREMASU. / Junjo no Afilia [DVD Edition]

Intermezzo / MEZZO" [初回限定盤B]
by artist: Keiichi Oosawa
type: Release
title: Intermezzo / MEZZO" [Limited Edition B]
type: MusicAlbum
creator: Keiichi Oosawa
date published: 2021-10-20
catalogue number: LACA-35891
created: 2021-10-20

DIABOLIK LOVERS Bloody Songs -SUPER BEST II- TSUKINAMI
catalogue number: REC-329
created: 2015-08-19
name: ディアボリックラバーズ ブラッディソングス スーパーベストII 月浪家ver
creator: Keiichi Oosawa
type: MusicAlbum
by artist: Keiichi Oosawa
date published: 2015-08-19
type: Release

DIABOLIK LOVERS Bloody Songs -SUPER BEST II- SAKAMAKI
created: 2015-08-19
name: ディアボリックラバーズ ブラッディソングス スーパーベストII 逆巻家ver
creator: Keiichi Oosawa
catalogue number: REC-327
type: MusicAlbum
by artist: Keiichi Oosawa
date published: 2015-08-19
type: Release

Now On Air / 伊藤美来
title: Now On Air / Miku Ito
type: MusicAlbum
date published: 2024-05-01
by artist: Keiichi Oosawa
created: 2024-05-01
type: Release
creator: Keiichi Oosawa
catalogue number: COCC-18200

果てのない旅 / 鈴木愛奈
name: Hate no Nai Tabi / Aina Suzuki
by artist: Keiichi Oosawa
type: MusicAlbum
created: 2024-01-31
date published: 2024-01-31
type: Release
creator: Keiichi Oosawa
catalogue number: LACM-24469

ディアボリックラバーズ ブラッディソングス スーパーベスト
title: DIABOLIK LOVERS Bloody Songs -SUPER BEST-
type: Composition

ANONYMOUS;CODE 主題歌集
name: ANONYMOUS;CODE SONGS FILE @en
type: Composition
title: ANONYMOUS;CODE Shudaikashuu

Kaleidoscope / MEZZO
name: カレイドスコープ / MEZZO
type: Composition

Kono Sekai ni Mahou Nante Nai yo/Hajimete no SEASON / Junjou no Afilia [Anime Collaboration Edition]
type: Composition
name: この世界に魔法なんてないよ/はじめてのSEASON / 純情のアフィリア [アニメコラボ盤]
name: NO MAGIC IN THIS WORLD/THE FIRST SEASON / Junjou no Afilia [Anime Collaboration Edition] @en

Like? or Love?/究極アンバランス! / 純情のアフィリア [アニメタイアップ盤]
type: MusicAlbum
type: Release
title: Like? or Love?/Kyuukyoku Unbalance! / Junjou no Afilia [Anime Tie-Up Edition]
created: 2020-03-11
creator: Keiichi Oosawa
date published: 2020-03-11
by artist: Keiichi Oosawa
catalogue number: USSW-0237

Wake Up, Girls! Character song series2 島田真夢
catalogue number: EYCA-11131
type: Release
created: 2016-09-28
name: Wake Up, Girls! Character song series2 Mayu Shimada
type: MusicAlbum
by artist: Keiichi Oosawa
creator: Keiichi Oosawa
date published: 2016-09-28

Ambitious / エラバレシ [DVD付盤]
name: Ambitious / Erabareshi [DVD Edition]
type: Performance

Intermezzo / MEZZO
type: Composition

Ambitious / Erabareshi [Yuri Asakura Edition]
title: Ambitious / エラバレシ [朝倉ゆり盤]
type: Composition

Lovely trouble / 箕作沙々芽(CV:高橋花林)
by artist: Keiichi Oosawa
type: Performance
title: Lovely trouble / Sasame Mitsukuri (CV: Karin Takahashi)
performer: Keiichi Oosawa

ディアボリックラバーズ ブラッディソングス スーパーベストII 逆巻家ver
name: DIABOLIK LOVERS Bloody Songs -SUPER BEST II- SAKAMAKI
type: Performance

ebb and flow / Ray [Limited Edition]
creator: Keiichi Oosawa
composer: Keiichi Oosawa
type: Composition

ebb and flow / Ray [Limited Edition]
type: Performance

らぶティカル☆パレード/多次元トラベリング / ピュアリーモンスター [DVD付盤]
name: Lovetical☆Parade/Tajigen Traveling / Purely Monster [DVD Edition]
type: Composition

TVアニメ『ハマトラ』キャラクターファイルシリーズ File-06 バースデイ / バースデイ(CV:福山潤)
type: Release
catalogue number: AVCA-74297
type: MusicAlbum
by artist: Keiichi Oosawa
name: HAMATORA Character File Series File-06 BIRTHDAY / Birthday (CV: Jun Fukuyama)
created: 2014-05-28
date published: 2014-05-28
creator: Keiichi Oosawa

HAMATORACKS
type: MusicAlbum
by artist: Keiichi Oosawa
created: 2015-12-23
date published: 2015-12-23
creator: Keiichi Oosawa
catalogue number: EYCA-10728~9
type: Release

Wake Up, Best! 3
type: Performance
by artist: Keiichi Oosawa
performer: Keiichi Oosawa

HAMATORACKS
type: Composition

Who's Me? / Asaka [DVD Edition]
name: Who's Me? / 亜咲花 [DVD付盤]
type: Composition

Ambitious / エラバレシ [朝倉ゆり盤]
creator: Keiichi Oosawa
catalogue number: FPBD-0674
name: Ambitious / Erabareshi [Yuri Asakura Edition]
by artist: Keiichi Oosawa
date published: 2022-02-08
type: MusicAlbum
created: 2022-02-08
type: Release

うれD / GREEEEN
title: Ure D / GREEEEN
type: Performance

DIABOLIK LOVERS MORE CHARACTER SONG Vol.10 苺の罪(ストロベリィジャム) VO.逆巻レイジ CV.小西克幸
created: 2015-04-15
by artist: Keiichi Oosawa
name: DIABOLIK LOVERS MORE CHARACTER SONG Vol.10 Strawberry Jam VO. Reiji Sakamaki CV. Katsuyuki Konishi
type: MusicAlbum
date published: 2015-04-15
creator: Keiichi Oosawa
catalogue number: REC-139
type: Release

TVアニメ「SHOW BY ROCK!!」BEST Selection!!
type: Performance
name: TV Animation SHOW BY ROCK!! BEST Selection!!

Who's Me? / Asaka [DVD Edition]
date published: 2023-06-28
type: Release
name: Who's Me? / 亜咲花 [DVD付盤]
created: 2023-06-28
type: MusicAlbum
creator: Keiichi Oosawa
catalogue number: USSW-0413
by artist: Keiichi Oosawa

Ai shika Nai / Zwei
created: 2019-09-25
type: MusicAlbum
name: 愛しかない / Zwei
date published: 2019-09-25
creator: Keiichi Oosawa
catalogue number: USSW-0204
by artist: Keiichi Oosawa
type: Release

Wake Up, Best! 3
date published: 2018-03-28
type: MusicAlbum
creator: Keiichi Oosawa
catalogue number: EYCA-11697~8
type: Release
by artist: Keiichi Oosawa
created: 2018-03-28

進化理論 / BOYS AND MEN [初回限定盤A]
date published: 2018-05-09
type: MusicAlbum
type: Release
title: Shinkariron / BOYS AND MEN [Limited Edition A]
by artist: Keiichi Oosawa
creator: Keiichi Oosawa
catalogue number: UICV-9281
created: 2018-05-09

Now On Air / Miku Ito
type: Performance
title: Now On Air / 伊藤美来

もし、この世界に神様がいるとするならば。 オリジナルサウンドトラック
name: Moshi, Kono Sekai ni Kamisama ga Iru to suru Naraba. Original Soundtrack
type: Performance

TVアニメ『東京リベンジャーズ』EP 01
name: TOKYO REVENGERS EP 01
type: Performance

燦・燦・SUN様!!! / ゆずcv.住谷哲栄、ジンジャーcv.羽多野渉、ヒノキcv. 伊東健人
name: San, San, SUN Summer!! / Yuzu cv. Tetsuei Sumiya, Ginger cv. Wataru Hatano, Hinoki cv. Kent Ito
type: Performance

Schoolgirl Strikers ~Twinkle Melodies~ Melody Collection
by artist: Keiichi Oosawa
catalogue number: AVCD-93806
type: Release
created: 2018-01-24
type: MusicAlbum
creator: Keiichi Oosawa
name: スクールガールストライカーズ ～トゥインクルメロディーズ～ Melody Collection
date published: 2018-01-24

PACHI PACHI PARTY / Haruka Tomatsu
type: Composition
name: PACHI PACHI PARTY / 戸松遥
creator: Keiichi Oosawa
composer: Keiichi Oosawa

Wake Up, Best! MEMORIAL
performer: Keiichi Oosawa
type: Performance
by artist: Keiichi Oosawa

オアシス / 諸岡ろろ(CV:江口菜子)
type: Performance
title: Oasis / Roro Morooka (CV: Nako Eguchi)
performer: Keiichi Oosawa
by artist: Keiichi Oosawa

TVアニメーション「問題児たちが異世界から来るそうですよ?」サウンド・コミュニティII
type: Release
type: MusicAlbum
name: Mondaiji tachi ga Isekai kara Kuru soudesuyo? Sound Community II
creator: Keiichi Oosawa
date published: 2013-03-13
by artist: Keiichi Oosawa
created: 2013-03-13
catalogue number: VTCL-60335

TVアニメ『七つの魔剣が支配する』オリジナルサウンドトラック
name: Nanatsu no Maken ga Shihai suru ORIGINAL SOUNDTRACK
type: Composition

DIABOLIK LOVERS MORE CHARACTER SONG Vol.1 Arcadia VO. Ayato Sakamaki CV. Hikaru Midorikawa
type: Composition
name: DIABOLIK LOVERS MORE CHARACTER SONG Vol.1 アルカディア VO.逆巻アヤト CV.緑川 光

PURE×PURE×PURE / ピュアリーモンスター [通常盤A]
type: Performance
name: PURE×PURE×PURE / Purely Monster [Regular Edition A]

スクールガールストライカーズ ～トゥインクルメロディーズ～ Melody Collection
type: Performance
name: Schoolgirl Strikers ~Twinkle Melodies~ Melody Collection

宵 / 佐々木李子
title: Yoi / Rico Sasaki
type: MusicAlbum
by artist: Keiichi Oosawa
type: Release
date published: 2023-04-19
catalogue number: STOR-0002
created: 2023-04-19
creator: Keiichi Oosawa

Now On Air / 伊藤美来
type: Composition
name: Now On Air / Miku Ito

TVアニメ『賢者の弟子を名乗る賢者』オリジナル・サウンドトラック
date published: 2022-03-30
type: MusicAlbum
creator: Keiichi Oosawa
created: 2022-03-30
name: TV Animation "She professed herself pupil of the wise man" Original Soundtrack @en
name: TV Anime "Kenja no Deshi wo Nanoru Kenja" Original Soundtrack
type: Release
catalogue number: USSW-0339
by artist: Keiichi Oosawa

Like? or Love?/究極アンバランス! / 純情のアフィリア [通常盤A]
title: Like? or Love?/Kyuukyoku Unbalance! / Junjou no Afilia [Regular Edition A]
type: Composition

Now On Air / Miku Ito [Limited Edition]
type: Composition
title: Now On Air / 伊藤美来 [限定盤]

Yumia no Atelier ~Tsuioku no Renkinjutsushi to Gensou no Chi~ Original Soundtrack
by artist: Keiichi Oosawa
date published: 2025-03-19
type: MusicAlbum
type: Release
name: ユミアのアトリエ ～追憶の錬金術士と幻創の地～ オリジナルサウンドトラック
creator: Keiichi Oosawa
created: 2025-03-19
catalogue number: KECH-2018~21

スクールガールストライカーズ ～トゥインクルメロディーズ～ Melody Collection
name: Schoolgirl Strikers ~Twinkle Melodies~ Melody Collection
catalogue number: AVCD-93804~5
creator: Keiichi Oosawa
date published: 2018-01-24
type: MusicAlbum
created: 2018-01-24
type: Release
by artist: Keiichi Oosawa

Schoolgirl Strikers ~Twinkle Melodies~ Melody Collection Vol.2
created: 2018-08-17
type: Release
date published: 2018-08-17
creator: Keiichi Oosawa
catalogue number: AVCD-93958~9
title: スクールガールストライカーズ ～トゥインクルメロディーズ～ Melody Collection Vol.2
by artist: Keiichi Oosawa
type: MusicAlbum

TVアニメ「明治東亰恋伽」エンディングテーマ集
name: Meiji Tokyo Renka Ending Theme Collection
type: Composition

Like? or Love?/究極アンバランス! / 純情のアフィリア [通常盤A]
title: Like? or Love?/Kyuukyoku Unbalance! / Junjou no Afilia [Regular Edition A]
type: Release
date published: 2020-03-11
catalogue number: USSW-0232
by artist: Keiichi Oosawa
created: 2020-03-11
creator: Keiichi Oosawa
type: MusicAlbum

スクールガールストライカーズ ～トゥインクルメロディーズ～ Melody Collection
type: Composition
name: Schoolgirl Strikers ~Twinkle Melodies~ Melody Collection

Ambitious / エラバレシ [朝倉ゆり盤]
name: Ambitious / Erabareshi [Yuri Asakura Edition]
type: Performance

TVアニメ『東京リベンジャーズ』EP 01
type: Release
creator: Keiichi Oosawa
type: MusicAlbum
catalogue number: PCSP-04642
title: TOKYO REVENGERS EP 01
by artist: Keiichi Oosawa
created: 2022-11-23
date published: 2022-11-23

Who's Me? / Asaka
type: Composition
name: Who's Me? / 亜咲花

Wake Up, Girls! Character song series2 島田真夢
title: Wake Up, Girls! Character song series2 Mayu Shimada
type: Performance

KING OF FIRE
type: Composition

Mondaiji tachi ga Isekai kara Kuru soudesuyo? Sound Community II
creator: Keiichi Oosawa
name: TVアニメーション「問題児たちが異世界から来るそうですよ?」サウンド・コミュニティII
composer: Keiichi Oosawa
type: Composition

進化理論 / BOYS AND MEN [初回限定盤B]
created: 2018-05-09
name: Shinkariron / BOYS AND MEN [Limited Edition B]
date published: 2018-05-09
creator: Keiichi Oosawa
catalogue number: UICV-9282
type: MusicAlbum
by artist: Keiichi Oosawa
type: Release

らぶティカル☆パレード/多次元トラベリング / ピュアリーモンスター [通常盤A]
title: Lovetical☆Parade/Tajigen Traveling / Purely Monster [Regular Edition A]
type: Composition

Intermezzo / MEZZO" [Limited Edition B]
type: Composition
name: Intermezzo / MEZZO" [初回限定盤B]

DIABOLIK LOVERS Bloody Songs -SUPER BEST II- TSUKINAMI
title: ディアボリックラバーズ ブラッディソングス スーパーベストII 月浪家ver
type: Composition

流離~SASURAI~ / 徒然なる操り霧幻庵
title: SASURAI / Tsurezurenaru Ayatsuri Mugenan
type: Performance

TV Anime "Kenja no Deshi wo Nanoru Kenja" Original Soundtrack
title: TV Animation "She professed herself pupil of the wise man" Original Soundtrack @en
title: TVアニメ『賢者の弟子を名乗る賢者』オリジナル・サウンドトラック
type: Performance

音楽少女 Special Song CD vol.2
type: Performance
title: Ongaku shoujo Special Song CD vol.2

Yoi / Rico Sasaki
name: 宵 / 佐々木李子
type: Performance

果てのない旅 / 鈴木愛奈 [初回限定盤]
by artist: Keiichi Oosawa
type: MusicAlbum
created: 2024-01-31
type: Release
title: Hate no Nai Tabi / Aina Suzuki [Limited Edition]
creator: Keiichi Oosawa
catalogue number: LACM-34469
date published: 2024-01-31

TV Animation SHOW BY ROCK!! BEST Selection!!
creator: Keiichi Oosawa
created: 2022-04-06
date published: 2022-04-06
type: MusicAlbum
by artist: Keiichi Oosawa
name: TVアニメ「SHOW BY ROCK!!」BEST Selection!!
type: Release
catalogue number: PCCG-02123

Happy days / Ray [Limited Edition]
creator: Keiichi Oosawa
composer: Keiichi Oosawa
type: Composition

KING OF FIRE [Limited Edition]
type: Performance

BELIEVE MYSELF / 亜咲花 [DVD付盤]
title: BELIEVE MYSELF / Asaka [DVD Edition]
type: Performance

Like? or Love?/究極アンバランス! / 純情のアフィリア [DVD付盤]
type: MusicAlbum
creator: Keiichi Oosawa
title: Like? or Love?/Kyuukyoku Unbalance! / Junjou no Afilia [DVD Edition]
type: Release
date published: 2020-03-11
by artist: Keiichi Oosawa
catalogue number: USSW-0231
created: 2020-03-11

わくわくみーつけた! こどものうたランド
name: Waku Waku Mitsuketa! Kodomo no Uta Land
type: Performance

TVアニメ『東京リベンジャーズ』EP 01
title: TOKYO REVENGERS EP 01
type: Performance

Harukarisk*Land / 戸松遥
title: Harukarisk*Land / Haruka Tomatsu [Limited Edition]
type: Performance

One's Rock / いとうかなこ
title: One's Rock / Kanako Ito
type: Composition

戸松遥 BEST SELECTION -starlight- / 戸松遥
name: Haruka Tomatsu BEST SELECTION -starlight- / Haruka Tomatsu [Limited Edition]
creator: Keiichi Oosawa
type: Composition
composer: Keiichi Oosawa

DIABOLIK LOVERS Character Song Vol.3 Laito Sakamaki "BLOODY SABBATH" CV. Daisuke Hirakawa
type: Composition
title: DIABOLIK LOVERS キャラクターソング Vol.3 逆巻ライト「血濡れた密会(BLOODY SABBATH)」CV.平川大輔

PACHI PACHI PARTY / 戸松遥
created: 2013-07-10
creator: Keiichi Oosawa
title: PACHI PACHI PARTY / Haruka Tomatsu [Limited Edition]
type: Release
catalogue number: SMCL-300~1
date published: 2013-07-10
by artist: Keiichi Oosawa
type: MusicAlbum

暁 / 佐々木李子
type: MusicAlbum
name: Akatsuki / Rico Sasaki
catalogue number: STOR-0001
created: 2023-04-19
type: Release
by artist: Keiichi Oosawa
date published: 2023-04-19
creator: Keiichi Oosawa

Lovetical☆Parade/Tajigen Traveling / Purely Monster [DVD Edition]
title: らぶティカル☆パレード/多次元トラベリング / ピュアリーモンスター [DVD付盤]
type: Performance

Intermezzo / MEZZO" [Limited Edition A]
created: 2021-10-20
catalogue number: LACA-35890
by artist: Keiichi Oosawa
date published: 2021-10-20
name: Intermezzo / MEZZO" [初回限定盤A]
type: MusicAlbum
creator: Keiichi Oosawa
type: Release

Akatsuki / Rico Sasaki
title: 暁 / 佐々木李子
type: Composition

この盾に、隠れます。 / 純情のアフィリア [A盤]
type: Composition
name: KONO TATE NI, KAKUREMASU. / Junjo no Afilia [Edition A]

超感デスティニー / THRIVE
name: Choukan Destiny / THRIVE
type: Performance

Happy days / Ray [Limited Edition]
type: Performance

この世界に魔法なんてないよ/はじめてのSEASON / 純情のアフィリア [アニメコラボ盤]
type: Performance
name: NO MAGIC IN THIS WORLD/THE FIRST SEASON / Junjou no Afilia [Anime Collaboration Edition] @en
title: Kono Sekai ni Mahou Nante Nai yo/Hajimete no SEASON / Junjou no Afilia [Anime Collaboration Edition]

Ambitious / Erabareshi [Regular Edition A]
creator: Keiichi Oosawa
catalogue number: FPBD-0672
name: Ambitious / エラバレシ [通常盤A]
type: MusicAlbum
by artist: Keiichi Oosawa
type: Release
date published: 2022-02-08
created: 2022-02-08

TVアニメーション「問題児たちが異世界から来るそうですよ?」サウンド・コミュニティII
title: Mondaiji tachi ga Isekai kara Kuru soudesuyo? Sound Community II
type: Performance

Belle révolte / 鈴木愛奈 [初回限定盤]
title: Belle révolte / Aina Suzuki [Limited Edition]
type: Performance

この盾に、隠れます。 / 純情のアフィリア [アニメコラボ盤]
type: Release
name: KONO TATE NI, KAKUREMASU. / Junjo no Afilia [Anime Collab Edition]
by artist: Keiichi Oosawa
type: MusicAlbum
date published: 2023-02-28
creator: Keiichi Oosawa
catalogue number: USSW-0399
created: 2023-02-28