BeForU II
type: Composition

BeForU II
type: Performance

D7 seven keys
type: Composition

D7 seven keys
type: Performance

D7 seven keys
type: Release
type: MusicAlbum
created: 2004-08-15
catalogue number: DVSP-0018
tribute to: Riyu Kosaka
date published: 2004-08-15

D7 OTHER MIXTURE
type: Composition

D7 OTHER MIXTURE
type: Performance

D7 OTHER MIXTURE
type: Release
type: MusicAlbum
created: 2004-08-15
catalogue number: DVSP-0019
tribute to: Riyu Kosaka
date published: 2004-08-15

SEVEN ~Shikkai~ / NAOKI feat. Riyu Kosaka
type: Composition
title: SEVEN 〜漆戒〜 / NAOKI feat.小坂りゆ @ja

6NOTES / BeForU
type: Composition

6NOTES / BeForU
type: Performance

Get set GO!! ~BeForU astronauts set~ / BeForU
type: Composition

Get set GO!! ~BeForU astronauts set~ / BeForU
type: Performance

Red Rocket Rising / BeForU
type: Composition

Red Rocket Rising / BeForU
type: Performance

ONGEKI Vocal Best
type: Composition

ONGEKI Vocal Best
type: Performance

DDR FESTIVAL & Dance Dance Revolution STRIKE ORIGINAL SOUNDTRACK
type: Composition
title: ダンス・ダンス・レボリューション フェスティバル&ストライク オリジナル・サウンドトラック @ja
title: Dance Dance Revolution FESTIVAL & STRIKE ORIGINAL SOUNDTRACK @ja-latn

DDR FESTIVAL & Dance Dance Revolution STRIKE ORIGINAL SOUNDTRACK
type: Performance
title: ダンス・ダンス・レボリューション フェスティバル&ストライク オリジナル・サウンドトラック @ja
title: Dance Dance Revolution FESTIVAL & STRIKE ORIGINAL SOUNDTRACK @ja-latn

MASKED RIDER THE NEXT ORIGINAL SOUNDTRACK
type: Composition
title: 仮面ライダー THE NEXT オリジナルサウンドトラック @ja
title: Kamen Rider THE NEXT Original Soundtrack @ja-latn

MASKED RIDER THE NEXT ORIGINAL SOUNDTRACK
type: Performance
title: 仮面ライダー THE NEXT オリジナルサウンドトラック @ja
title: Kamen Rider THE NEXT Original Soundtrack @ja-latn

WE♥WE [WE LOVE Winning Eleven]
type: Composition
title: ウイ ラブ ウイ [ウイ ラブ ウイニングイレブン] @ja

Ourpath from Diverse System
type: Composition

Ourpath from Diverse System
type: Performance

Ourpath from Diverse System
type: Release
type: MusicAlbum
created: 2005-12-30
catalogue number: DVSP-0028~31
tribute to: Riyu Kosaka
date published: 2005-12-30

beatmania IIDX 10th style ORIGINAL SOUNDTRACK
type: Composition

beatmania IIDX 10th style ORIGINAL SOUNDTRACK
type: Performance

beatmania IIDX 11 IIDX RED Original Soundtrack
type: Composition

beatmania IIDX 11 IIDX RED Original Soundtrack
type: Performance

beatmania IIDX 12 HAPPY SKY ORIGINAL SOUNDTRACK
type: Composition

beatmania IIDX 12 HAPPY SKY ORIGINAL SOUNDTRACK
type: Performance

See You Again
type: Composition

See You Again
type: Performance

beatmania IIDX 9th style Original Soundtrack
type: Composition

beatmania IIDX 9th style Original Soundtrack
type: Performance

Dance Dance Revolution HOTTEST PARTY
type: Composition

Dance Dance Revolution HOTTEST PARTY
type: Performance

DanceDanceRevolution SuperNOVA2
type: Composition

DanceDanceRevolution SuperNOVA2
type: Performance

Dance Dance Revolution SuperNOVA
type: Composition

Dance Dance Revolution SuperNOVA
type: Performance

maimai DX Best Album Chiho 2
type: Composition
title: maimai でらっくす ベストアルバムちほー2 @ja

maimai DX Best Album Chiho 2
type: Performance
title: maimai でらっくす ベストアルバムちほー2 @ja

DDRMAX ORIGINAL SOUNDTRACK
type: Composition
title: DDRMAX オリジナル・サウンドトラック @ja

DDRMAX ORIGINAL SOUNDTRACK
type: Performance
title: DDRMAX オリジナル・サウンドトラック @ja

DDRMAX2 ORIGINAL SOUNDTRACK
type: Composition
title: DDRMAX2 オリジナル・サウンドトラック @ja

DDRMAX2 ORIGINAL SOUNDTRACK
type: Performance
title: DDRMAX2 オリジナル・サウンドトラック @ja

DanceDanceRevolutionEXTREME ORIGINAL SOUNDTRACK
type: Composition
title: ダンス・ダンス・レボリューションEXTREME オリジナル・サウンドトラック @ja

DanceDanceRevolutionEXTREME ORIGINAL SOUNDTRACK
type: Performance
title: ダンス・ダンス・レボリューションEXTREME オリジナル・サウンドトラック @ja

Dance Dance Revolution EXTREME Premium CD
type: Composition

Dance Dance Revolution EXTREME Premium CD
type: Performance

DanceDanceRevolution PartyCollection ORIGINAL SOUNDTRACK
type: Composition
title: ダンスダンスレボリューション パーティーコレクション オリジナル・サウンドトラック @ja

DanceDanceRevolution PartyCollection ORIGINAL SOUNDTRACK
type: Performance
title: ダンスダンスレボリューション パーティーコレクション オリジナル・サウンドトラック @ja

VTuber SPEED
type: Composition

VTuber SPEED
type: Performance

GENESiS RE:BUiLD 01
type: Composition

GENESiS RE:BUiLD 01
type: Performance

TEARED
type: Composition

TEARED
type: Performance

BLUE&RED
type: Composition

BLUE&RED
type: Performance

SEVEN's CODE ZERO Vol.1
type: Composition

SEVEN's CODE ZERO Vol.1
type: Performance

SEVEN's CODE ZERO Vol.5
type: Composition

SEVEN's CODE ZERO Vol.5
type: Performance

SEVEN's CODE ZERO Vol.6
type: Composition

SEVEN's CODE ZERO Vol.6
type: Performance

V-RARE SOUNDTRACK 10 - beatmaniaIIDX 9th style
type: Composition

V-RARE SOUNDTRACK 10 - beatmaniaIIDX 9th style
type: Performance

VVGO Cry About It
type: Composition

VVGO Cry About It
type: Performance

NAOKI MUSIC REINCARNATION
type: Composition

NAOKI MUSIC REINCARNATION
type: Performance

Tetote×Connect Original Soundtrack
type: Composition
title: テトテ×コネクト Original Soundtrack @ja

Tetote×Connect Original Soundtrack
type: Performance
title: テトテ×コネクト Original Soundtrack @ja

Fragments // Past I -Eternity / NAOKI
type: Composition

Fragments // Past I -Eternity / NAOKI
type: Performance

GuitarFreaksV & DrumManiaV Soundtracks
type: Composition
title: ギターフリークス・ブイ アンド ドラムマニア・ブイ サウンドトラックス @ja

GuitarFreaksV & DrumManiaV Soundtracks
type: Performance
title: ギターフリークス・ブイ アンド ドラムマニア・ブイ サウンドトラックス @ja

GUITARFREAKS & drummania BEST TRACKS
type: Composition
title: ギターフリークス&ドラムマニア ベスト・トラックス @ja

GUITARFREAKS 11thMIX & drummania 10thMIX SOUNDTRACKS
type: Composition
title: ギターフリークス イレヴンスミックス アンド ドラムマニア テンスミックス サウンドトラックス @ja

GUITARFREAKS 11thMIX & drummania 10thMIX SOUNDTRACKS
type: Performance
title: ギターフリークス イレヴンスミックス アンド ドラムマニア テンスミックス サウンドトラックス @ja

begin / Riyu Kosaka
type: Composition
title: begin / 小坂りゆ @ja

begin / Riyu Kosaka
type: Performance
title: begin / 小坂りゆ @ja

GuitarFreaksV2 & DrumManiaV2 SoundTracks
type: Composition

GuitarFreaksV2 & DrumManiaV2 SoundTracks
type: Performance

Amatsu Misora ni! Soundtrack
type: Composition
title: あまつみそらに！サウンドトラック @ja

CLAYMORE TV Animation O. S. T.
type: Composition

CLAYMORE TV Animation O. S. T.
type: Performance

Koi to Mizugi to Taiyo to ~Sumire-jima Life Savers~ Original Soundtrack
type: Composition
title: 恋と水着と太陽と～スミレ島ライフセーバーず～ オリジナルサウンドトラック @ja

Mokke Original Soundtrack Sono Ongaku
type: Composition
title: もっけ オリジナルサウンドトラック 其ノオンガク @ja

Guilty Flower ~Guilty Sky~ / Riyu Kosaka [with DVD]
type: Composition
title: 断罪の花～Guilty Sky～ / 小坂りゆ @ja
title: Danzai no Hana ~Guilty Sky~ / Riyu Kosaka @ja-latn

Guilty Flower ~Guilty Sky~ / Riyu Kosaka [with DVD]
type: Performance
title: 断罪の花～Guilty Sky～ / 小坂りゆ @ja
title: Danzai no Hana ~Guilty Sky~ / Riyu Kosaka @ja-latn

DanceDanceRevolution X2 Original Soundtrack
type: Composition

DanceDanceRevolution X2 Original Soundtrack
type: Performance

GUITARFREAKS 9thMIX & drummania 8thMIX SOUNDTRACKS
type: Composition
title: ギターフリークス ナインスミックス アンド ドラムマニア エイスミックス サウンドトラックス @ja

GUITARFREAKS 9thMIX & drummania 8thMIX SOUNDTRACKS
type: Performance
title: ギターフリークス ナインスミックス アンド ドラムマニア エイスミックス サウンドトラックス @ja

Live5pb.2010 @JCB Hall
type: Composition

CROSS†CHANNEL ~In memory of all people~ SPECIAL SOUNDTRACK
type: Composition

GUITARFREAKS 8thMIX & drummania 7thMIX Soundtracks
type: Composition
title: ギターフリークス エイスミックス アンド ドラムマニア セブンスミックス サウンドトラックス @ja

GUITARFREAKS 8thMIX & drummania 7thMIX Soundtracks
type: Performance
title: ギターフリークス エイスミックス アンド ドラムマニア セブンスミックス サウンドトラックス @ja

BeForU
type: Composition
title: ビー・フォー・ユー @ja

BeForU
type: Performance
title: ビー・フォー・ユー @ja

KI·SE·KI / Be For U
type: Composition

KI·SE·KI / Be For U
type: Performance

BeForU III ~Breaking Into The Probability Changes~
type: Composition

BeForU III ~Breaking Into The Probability Changes~
type: Performance

Saisho no MELODY / Riyu Kosaka
type: Composition
title: 最初のMELODY / 小坂りゆ @ja

Saisho no MELODY / Riyu Kosaka
type: Performance
title: 最初のMELODY / 小坂りゆ @ja

GUITARFREAKS 10thMIX & drummania 9thMIX Soundtracks
type: Composition
title: ギターフリークス テンスミックス アンド ドラムマニア ナインスミックス サウンドトラックス @ja

GUITARFREAKS 10thMIX & drummania 9thMIX Soundtracks
type: Performance
title: ギターフリークス テンスミックス アンド ドラムマニア ナインスミックス サウンドトラックス @ja

pop'n music 12 Iroha AC ♥ CS pop'n music 10
type: Composition
title: pop'n music 12 いろは AC ♥ CS pop'n music 10 @ja

pop'n music 12 Iroha AC ♥ CS pop'n music 10
type: Performance
title: pop'n music 12 いろは AC ♥ CS pop'n music 10 @ja

Guilty Flower ~Guilty Sky~ / Riyu Kosaka
type: Composition
title: 断罪の花～Guilty Sky～ / 小坂りゆ @ja
title: Danzai no Hana ~Guilty Sky~ / Riyu Kosaka @ja-latn

Guilty Flower ~Guilty Sky~ / Riyu Kosaka
type: Performance
title: 断罪の花～Guilty Sky～ / 小坂りゆ @ja
title: Danzai no Hana ~Guilty Sky~ / Riyu Kosaka @ja-latn

GUITARFREAKS V3 & DRUMMANIA V3 SOUNDTRACKS
type: Composition
title: ギターフリークス ブイスリー アンド ドラムマニア ブイスリー サウンドトラックス @ja

GUITARFREAKS V3 & DRUMMANIA V3 SOUNDTRACKS
type: Performance
title: ギターフリークス ブイスリー アンド ドラムマニア ブイスリー サウンドトラックス @ja

beatmania IIDX 14 GOLD ORIGINAL SOUNDTRACK
type: Composition
title: beatmaniaIIDX 14 GOLDオリジナルサウンドトラック @ja

beatmania IIDX 14 GOLD ORIGINAL SOUNDTRACK
type: Performance
title: beatmaniaIIDX 14 GOLDオリジナルサウンドトラック @ja

Dance Dance Revolution SuperNOVA Limited Edition Music Sampler
type: Composition

Dance Dance Revolution SuperNOVA Limited Edition Music Sampler
type: Performance

Dance Dance Revolution HOTTEST PARTY Original Soundtrack
type: Composition

Dance Dance Revolution HOTTEST PARTY Original Soundtrack
type: Performance

Dance Dance Revolution SuperNOVA Original Soundtrack
type: Composition

Dance Dance Revolution SuperNOVA Original Soundtrack
type: Performance

true... / Riyu Kosaka
type: Composition
title: 小坂りゆ - true... @ja

BEMANI BEST for the 10th anniversary
type: Composition

BEMANI BEST for the 10th anniversary
type: Performance

GuitarFreaksV4 & DrumManiaV4 Rock×Rock Original Soundtracks
type: Composition

GuitarFreaksV4 & DrumManiaV4 Rock×Rock Original Soundtracks
type: Performance

DanceDanceRevolution SuperNOVA2 Original Soundtrack
type: Composition

DanceDanceRevolution SuperNOVA2 Original Soundtrack
type: Performance

Strike Party!!! / BeForU [CD+DVD]
type: Composition

Strike Party!!! / BeForU [CD+DVD]
type: Performance

Chaos Joutou!! Daretoku? Oretoku! avex Rare Anime Song Collection -GIRLS SIDE-
type: Composition
title: カオス上等!!誰得?俺得! avex レアニメソング コレクション ガールズサイド @ja

Kokoro no Ato / Riyu Kosaka
type: Composition
title: ココロの跡 / 小坂りゆ @ja

Kokoro no Ato / Riyu Kosaka
type: Performance
title: ココロの跡 / 小坂りゆ @ja

every struggle / Riyu Kosaka [with DVD]
type: Composition
title: every struggle / 小坂りゆ @ja

every struggle / Riyu Kosaka [with DVD]
type: Performance
title: every struggle / 小坂りゆ @ja

every struggle / Riyu Kosaka
type: Composition
title: every struggle / 小坂りゆ @ja

every struggle / Riyu Kosaka
type: Performance
title: every struggle / 小坂りゆ @ja

Sky Girls ~Opening Theme "Baby's Tears/Riyu Kosaka" & Original Soundtrack~
type: Composition
title: スカイガールズ~オープニングテーマ「Baby's Tears/小坂りゆ」&オリジナルサウンドトラック~ @ja

Sky Girls ~Opening Theme "Baby's Tears/Riyu Kosaka" & Original Soundtrack~
type: Performance
title: スカイガールズ~オープニングテーマ「Baby's Tears/小坂りゆ」&オリジナルサウンドトラック~ @ja

pop'n music 14 FEVER! AC ♥ CS pop'n music 12 Iroha & 13 Carnival
type: Composition
title: pop'n music 14 FEVER! AC ♥ CS pop'n music 12 いろは & 13 カーニバル @ja

pop'n music 14 FEVER! AC ♥ CS pop'n music 12 Iroha & 13 Carnival
type: Performance
title: pop'n music 14 FEVER! AC ♥ CS pop'n music 12 いろは & 13 カーニバル @ja

pop'n music 9 AC ♥ CS pop'n music 7
type: Composition
title: ポップンミュージック9 エーシー ♥ シーエス ポップンミュージック7 @ja

pop'n music 9 AC ♥ CS pop'n music 7
type: Performance
title: ポップンミュージック9 エーシー ♥ シーエス ポップンミュージック7 @ja

Strike Party!!! / BeForU
type: Composition

Strike Party!!! / BeForU
type: Performance

PACHISLOT beatmania ORIGINAL SOUNDTRACK
type: Composition
title: パチスロ ビートマニア オリジナルサウンドトラック @ja

PACHISLOT beatmania ORIGINAL SOUNDTRACK
type: Performance
title: パチスロ ビートマニア オリジナルサウンドトラック @ja

SKYGIRLS ~Zero, Again~ Original Soundtrack
type: Composition
title: スカイガールズ ~ゼロ、ふたたび~ Original Soundtrack @ja

SKYGIRLS ~Zero, Again~ Original Soundtrack
type: Performance
title: スカイガールズ ~ゼロ、ふたたび~ Original Soundtrack @ja

Wish me luck!!!! / Haruka Ozora (CV: Kana Yuuki), Kanata Higa (CV: Saki Miyashita), Claire Thomas (CV: Atsumi Tanezaki), Emily Thomas (CV: Rie Suegara)
type: Composition
title: Wish me luck!!!! / 大空遥(CV:優木かな)、比嘉かなた(CV:宮下早紀)、トーマス・紅愛(CV:種崎敦美)、トーマス・恵美理(CV:末柄里恵) @ja

Wish me luck!!!! / Haruka Ozora (CV: Kana Yuuki), Kanata Higa (CV: Saki Miyashita), Claire Thomas (CV: Atsumi Tanezaki), Emily Thomas (CV: Rie Suegara)
type: Performance
title: Wish me luck!!!! / 大空遥(CV:優木かな)、比嘉かなた(CV:宮下早紀)、トーマス・紅愛(CV:種崎敦美)、トーマス・恵美理(CV:末柄里恵) @ja

HARUKANA RECEIVE CHARACTER SONG CD 3
type: Composition
title: はるかなレシーブ キャラクターソングCD3 @ja

HARUKANA RECEIVE CHARACTER SONG CD 3
type: Performance
title: はるかなレシーブ キャラクターソングCD3 @ja

HARUKANA RECEIVE CHARACTER SONG CD 4
type: Composition
title: はるかなレシーブ キャラクターソングCD4 @ja

HARUKANA RECEIVE CHARACTER SONG CD 4
type: Performance
title: はるかなレシーブ キャラクターソングCD4 @ja

HARUKANA RECEIVE CHARACTER SONG CD 5
type: Composition
title: はるかなレシーブ キャラクターソングCD5 @ja

HARUKANA RECEIVE CHARACTER SONG CD 5
type: Performance
title: はるかなレシーブ キャラクターソングCD5 @ja

HARUKANA RECEIVE CHARACTER SONG CD 6
type: Composition
title: はるかなレシーブ キャラクターソングCD6 @ja

HARUKANA RECEIVE CHARACTER SONG CD 6
type: Performance
title: はるかなレシーブ キャラクターソングCD6 @ja

PERSONA3 the Weird Masquerade Graduation
type: Composition
title: 舞台『PERSONA3 the Weird Masquerade』〜Graduation〜 CD @ja

PERSONA3 the Weird Masquerade Graduation
type: Performance
title: 舞台『PERSONA3 the Weird Masquerade』〜Graduation〜 CD @ja

ONGEKI Vocal Collection 03
type: Composition

ONGEKI Vocal Collection 03
type: Performance

DanceDanceRevolution 20th Anniversary Non Stop Mix Mixed by DJ KOO
type: Composition

DanceDanceRevolution 20th Anniversary Non Stop Mix Mixed by DJ KOO
type: Performance

Dynamite Dynamite Rev. NAOKI SPECIAL ALBUM
type: Composition

Dynamite Dynamite Rev. NAOKI SPECIAL ALBUM
type: Performance

BeForU III ~Breaking Into The Probability Changes~ [CD+DVD]
type: Composition

BeForU III ~Breaking Into The Probability Changes~ [CD+DVD]
type: Performance

V-RARE SOUNDTRACK - DDRMAX -Dance Dance Revolution 6thMIX-
type: Composition

V-RARE SOUNDTRACK 5 - DDRMAX2 -Dance Dance Revolution 7thMIX-
type: Composition

birthinfo
type: Birth
date: 1985-01-17
place: Yokohama, Kanagawa Prefecture, Japan
principal: Riyu Kosaka

SEVEN ~Shikkai~ / NAOKI feat. Riyu Kosaka
type: Performance
title: SEVEN 〜漆戒〜 / NAOKI feat.小坂りゆ @ja
performer: Riyu Kosaka
by artist: Riyu Kosaka

WE♥WE [WE LOVE Winning Eleven]
type: Performance
title: ウイ ラブ ウイ [ウイ ラブ ウイニングイレブン] @ja
performer: Riyu Kosaka
by artist: Riyu Kosaka

V-RARE SOUNDTRACK 10 - beatmaniaIIDX 9th style
type: Release
type: MusicAlbum
created: 2005-03-24
catalogue number: LC1369
tribute to: Riyu Kosaka
date published: 2005-03-24

VVGO Cry About It
type: Release
type: MusicAlbum
created: 2025-07-18
catalogue number: N/A
tribute to: Riyu Kosaka
date published: 2025-07-18

GUITARFREAKS & drummania BEST TRACKS
type: Performance
title: ギターフリークス&ドラムマニア ベスト・トラックス @ja
performer: Riyu Kosaka
by artist: Riyu Kosaka

Amatsu Misora ni! Soundtrack
type: Performance
title: あまつみそらに！サウンドトラック @ja
performer: Riyu Kosaka
by artist: Riyu Kosaka

Koi to Mizugi to Taiyo to ~Sumire-jima Life Savers~ Original Soundtrack
type: Performance
title: 恋と水着と太陽と～スミレ島ライフセーバーず～ オリジナルサウンドトラック @ja
performer: Riyu Kosaka
by artist: Riyu Kosaka

Mokke Original Soundtrack Sono Ongaku
type: Performance
title: もっけ オリジナルサウンドトラック 其ノオンガク @ja
performer: Riyu Kosaka
by artist: Riyu Kosaka

Live5pb.2010 @JCB Hall
type: Performance
performer: Riyu Kosaka
by artist: Riyu Kosaka

CROSS†CHANNEL ~In memory of all people~ SPECIAL SOUNDTRACK
type: Performance
performer: Riyu Kosaka
by artist: Riyu Kosaka

true... / Riyu Kosaka
type: Performance
title: 小坂りゆ - true... @ja
performer: Riyu Kosaka
by artist: Riyu Kosaka

Chaos Joutou!! Daretoku? Oretoku! avex Rare Anime Song Collection -GIRLS SIDE-
type: Performance
title: カオス上等!!誰得?俺得! avex レアニメソング コレクション ガールズサイド @ja
performer: Riyu Kosaka
by artist: Riyu Kosaka

V-RARE SOUNDTRACK - DDRMAX -Dance Dance Revolution 6thMIX-
type: Performance
performer: Riyu Kosaka
by artist: Riyu Kosaka

V-RARE SOUNDTRACK 5 - DDRMAX2 -Dance Dance Revolution 7thMIX-
type: Performance
performer: Riyu Kosaka
by artist: Riyu Kosaka

BeForU
type: MusicGroup
type: Organization
member: Riyu Kosaka
music group member: Riyu Kosaka

BeForU II
type: Release
type: MusicAlbum
created: 2006-02-14
creator: Riyu Kosaka
catalogue number: LC1452
by artist: Riyu Kosaka
date published: 2006-02-14

SEVEN ~Shikkai~ / NAOKI feat. Riyu Kosaka
type: Release
type: MusicAlbum
created: 2020-10-28
creator: Riyu Kosaka
title: SEVEN 〜漆戒〜 / NAOKI feat.小坂りゆ @ja
catalogue number: bigup13132601
by artist: Riyu Kosaka
date published: 2020-10-28

6NOTES / BeForU
type: Release
type: MusicAlbum
created: 2007-03-03
creator: Riyu Kosaka
catalogue number: MCBU-0001
by artist: Riyu Kosaka
date published: 2007-03-03

Get set GO!! ~BeForU astronauts set~ / BeForU
type: Release
type: MusicAlbum
created: 2006-12-22
creator: Riyu Kosaka
catalogue number: AVC1-26006/B
by artist: Riyu Kosaka
date published: 2006-12-22

Red Rocket Rising / BeForU
type: Release
type: MusicAlbum
created: 2006-11-01
creator: Riyu Kosaka
catalogue number: AVCA-26007/B
by artist: Riyu Kosaka
date published: 2006-11-01

ONGEKI Vocal Best
type: Release
type: MusicAlbum
created: 2021-12-22
creator: Riyu Kosaka
catalogue number: ZMCZ-14991
by artist: Riyu Kosaka
date published: 2021-12-22

DDR FESTIVAL & Dance Dance Revolution STRIKE ORIGINAL SOUNDTRACK
type: Release
type: MusicAlbum
created: 2006-02-15
creator: Riyu Kosaka
title: ダンス・ダンス・レボリューション フェスティバル&ストライク オリジナル・サウンドトラック @ja
title: Dance Dance Revolution FESTIVAL & STRIKE ORIGINAL SOUNDTRACK @ja-latn
catalogue number: TOCP-64291~2
by artist: Riyu Kosaka
date published: 2006-02-15

MASKED RIDER THE NEXT ORIGINAL SOUNDTRACK
type: Release
type: MusicAlbum
created: 2007-10-24
creator: Riyu Kosaka
title: 仮面ライダー THE NEXT オリジナルサウンドトラック @ja
title: Kamen Rider THE NEXT Original Soundtrack @ja-latn
catalogue number: AVCA-26563
by artist: Riyu Kosaka
date published: 2007-10-24

WE♥WE [WE LOVE Winning Eleven]
type: Release
type: MusicAlbum
created: 2006-06-14
creator: Riyu Kosaka
title: ウイ ラブ ウイ [ウイ ラブ ウイニングイレブン] @ja
catalogue number: KFCA-10005
by artist: Riyu Kosaka
date published: 2006-06-14

beatmania IIDX 10th style ORIGINAL SOUNDTRACK
type: Release
type: MusicAlbum
created: 2004-05-19
creator: Riyu Kosaka
catalogue number: KOLA-066~7
by artist: Riyu Kosaka
date published: 2004-05-19

beatmania IIDX 11 IIDX RED Original Soundtrack
type: Release
type: MusicAlbum
created: 2005-02-02
creator: Riyu Kosaka
catalogue number: KOLA-092~3
by artist: Riyu Kosaka
date published: 2005-02-02

beatmania IIDX 12 HAPPY SKY ORIGINAL SOUNDTRACK
type: Release
type: MusicAlbum
created: 2005-10-19
creator: Riyu Kosaka
catalogue number: GFCA-30~1
by artist: Riyu Kosaka
date published: 2005-10-19

See You Again
type: Release
type: MusicAlbum
created: 2023-10-29
creator: Riyu Kosaka
catalogue number: LVTR-0001~2
by artist: Riyu Kosaka
date published: 2023-10-29

beatmania IIDX 9th style Original Soundtrack
type: Release
type: MusicAlbum
created: 2003-09-18
creator: Riyu Kosaka
catalogue number: KOLA-040~1
by artist: Riyu Kosaka
date published: 2003-09-18

Dance Dance Revolution HOTTEST PARTY
type: Release
type: MusicAlbum
created: 2007-12-11
creator: Riyu Kosaka
catalogue number: N/A
by artist: Riyu Kosaka
date published: 2007-12-11

DanceDanceRevolution SuperNOVA2
type: Release
type: MusicAlbum
created: 2007-11-27
creator: Riyu Kosaka
catalogue number: N/A
by artist: Riyu Kosaka
date published: 2007-11-27

Dance Dance Revolution SuperNOVA
type: Release
type: MusicAlbum
created: 2007-07-03
creator: Riyu Kosaka
catalogue number: N/A
by artist: Riyu Kosaka
date published: 2007-07-03

maimai DX Best Album Chiho 2
type: Release
type: MusicAlbum
created: 2023-11-25
creator: Riyu Kosaka
title: maimai でらっくす ベストアルバムちほー2 @ja
catalogue number: WM-0872~5
by artist: Riyu Kosaka
date published: 2023-11-25

DDRMAX ORIGINAL SOUNDTRACK
type: Release
type: MusicAlbum
created: 2001-11-21
creator: Riyu Kosaka
title: DDRMAX オリジナル・サウンドトラック @ja
catalogue number: TOCP-64144~5
by artist: Riyu Kosaka
date published: 2001-11-21

DDRMAX2 ORIGINAL SOUNDTRACK
type: Release
type: MusicAlbum
created: 2002-06-19
creator: Riyu Kosaka
title: DDRMAX2 オリジナル・サウンドトラック @ja
catalogue number: TOCP-64168~9
by artist: Riyu Kosaka
date published: 2002-06-19

DanceDanceRevolutionEXTREME ORIGINAL SOUNDTRACK
type: Release
type: MusicAlbum
created: 2003-03-26
creator: Riyu Kosaka
title: ダンス・ダンス・レボリューションEXTREME オリジナル・サウンドトラック @ja
catalogue number: TOCP-64204~5
by artist: Riyu Kosaka
date published: 2003-03-26

Dance Dance Revolution EXTREME Premium CD
type: Release
type: MusicAlbum
created: 2003-10-09
creator: Riyu Kosaka
catalogue number: DDR-EXTREME
by artist: Riyu Kosaka
date published: 2003-10-09

DanceDanceRevolution PartyCollection ORIGINAL SOUNDTRACK
type: Release
type: MusicAlbum
created: 2003-12-26
creator: Riyu Kosaka
title: ダンスダンスレボリューション パーティーコレクション オリジナル・サウンドトラック @ja
catalogue number: TOCP-64237~8
by artist: Riyu Kosaka
date published: 2003-12-26

VTuber SPEED
type: Release
type: MusicAlbum
created: 2023-04-30
creator: Riyu Kosaka
catalogue number: RTTF-0030
by artist: Riyu Kosaka
date published: 2023-04-30

GENESiS RE:BUiLD 01
type: Release
type: MusicAlbum
created: 2024-04-28
creator: Riyu Kosaka
catalogue number: AXT-CD-001~2
by artist: Riyu Kosaka
date published: 2024-04-28

TEARED
type: Release
type: MusicAlbum
created: 2020-08-13
creator: Riyu Kosaka
catalogue number: TMCCD-040
by artist: Riyu Kosaka
date published: 2020-08-13

BLUE&RED
type: Release
type: MusicAlbum
created: 2020-10-25
creator: Riyu Kosaka
catalogue number: TMCCD-041
by artist: Riyu Kosaka
date published: 2020-10-25

SEVEN's CODE ZERO Vol.1
type: Release
type: MusicAlbum
created: 2020-10-21
creator: Riyu Kosaka
catalogue number: FLET-2002
by artist: Riyu Kosaka
date published: 2020-10-21

SEVEN's CODE ZERO Vol.5
type: Release
type: MusicAlbum
created: 2020-12-25
creator: Riyu Kosaka
catalogue number: FLET-2006
by artist: Riyu Kosaka
date published: 2020-12-25

SEVEN's CODE ZERO Vol.6
type: Release
type: MusicAlbum
created: 2021-01-20
creator: Riyu Kosaka
catalogue number: FLET-2007
by artist: Riyu Kosaka
date published: 2021-01-20

NAOKI MUSIC REINCARNATION
type: Release
type: MusicAlbum
created: 2025-08-17
creator: Riyu Kosaka
catalogue number: RRRR-001
by artist: Riyu Kosaka
date published: 2025-08-17

Tetote×Connect Original Soundtrack
type: Release
type: MusicAlbum
created: 2025-09-24
creator: Riyu Kosaka
title: テトテ×コネクト Original Soundtrack @ja
catalogue number: ZTTL-9099
by artist: Riyu Kosaka
date published: 2025-09-24

Fragments // Past I -Eternity / NAOKI
type: Release
type: MusicAlbum
created: 2025-10-26
creator: Riyu Kosaka
catalogue number: RRRR-002
by artist: Riyu Kosaka
date published: 2025-10-26

GuitarFreaksV & DrumManiaV Soundtracks
type: Release
type: MusicAlbum
created: 2005-07-06
creator: Riyu Kosaka
title: ギターフリークス・ブイ アンド ドラムマニア・ブイ サウンドトラックス @ja
catalogue number: GFCA-1~2
by artist: Riyu Kosaka
date published: 2005-07-06

GUITARFREAKS & drummania BEST TRACKS
type: Release
type: MusicAlbum
created: 2003-03-19
creator: Riyu Kosaka
title: ギターフリークス&ドラムマニア ベスト・トラックス @ja
catalogue number: KOLA-023~4
by artist: Riyu Kosaka
date published: 2003-03-19

GUITARFREAKS 11thMIX & drummania 10thMIX SOUNDTRACKS
type: Release
type: MusicAlbum
created: 2004-06-23
creator: Riyu Kosaka
title: ギターフリークス イレヴンスミックス アンド ドラムマニア テンスミックス サウンドトラックス @ja
catalogue number: KOLA-069~70
by artist: Riyu Kosaka
date published: 2004-06-23

begin / Riyu Kosaka
type: Release
type: MusicAlbum
created: 2004-06-11
creator: Riyu Kosaka
title: begin / 小坂りゆ @ja
catalogue number: LC1280
by artist: Riyu Kosaka
date published: 2004-06-11

GuitarFreaksV2 & DrumManiaV2 SoundTracks
type: Release
type: MusicAlbum
created: 2006-04-19
creator: Riyu Kosaka
catalogue number: GFCA-45~6
by artist: Riyu Kosaka
date published: 2006-04-19

Amatsu Misora ni! Soundtrack
type: Release
type: MusicAlbum
created: 2010-07-30
creator: Riyu Kosaka
title: あまつみそらに！サウンドトラック @ja
catalogue number: FVCG-1117
by artist: Riyu Kosaka
date published: 2010-07-30

CLAYMORE TV Animation O. S. T.
type: Release
type: MusicAlbum
created: 2007-07-25
creator: Riyu Kosaka
catalogue number: AVCA-26398
by artist: Riyu Kosaka
date published: 2007-07-25

Koi to Mizugi to Taiyo to ~Sumire-jima Life Savers~ Original Soundtrack
type: Release
type: MusicAlbum
created: 2010-11-10
creator: Riyu Kosaka
title: 恋と水着と太陽と～スミレ島ライフセーバーず～ オリジナルサウンドトラック @ja
catalogue number: FPBD-0164
by artist: Riyu Kosaka
date published: 2010-11-10

Mokke Original Soundtrack Sono Ongaku
type: Release
type: MusicAlbum
created: 2008-09-26
creator: Riyu Kosaka
title: もっけ オリジナルサウンドトラック 其ノオンガク @ja
catalogue number: AVBA-26604B
by artist: Riyu Kosaka
date published: 2008-09-26

Guilty Flower ~Guilty Sky~ / Riyu Kosaka [with DVD]
type: Release
type: MusicAlbum
created: 2007-05-30
creator: Riyu Kosaka
title: 断罪の花～Guilty Sky～ / 小坂りゆ @ja
title: Danzai no Hana ~Guilty Sky~ / Riyu Kosaka @ja-latn
catalogue number: AVCA-26297/B
by artist: Riyu Kosaka
date published: 2007-05-30

DanceDanceRevolution X2 Original Soundtrack
type: Release
type: MusicAlbum
created: 2011-02-23
creator: Riyu Kosaka
catalogue number: LC1994~6
by artist: Riyu Kosaka
date published: 2011-02-23

GUITARFREAKS 9thMIX & drummania 8thMIX SOUNDTRACKS
type: Release
type: MusicAlbum
created: 2003-06-04
creator: Riyu Kosaka
title: ギターフリークス ナインスミックス アンド ドラムマニア エイスミックス サウンドトラックス @ja
catalogue number: KOLA-034
by artist: Riyu Kosaka
date published: 2003-06-04

Live5pb.2010 @JCB Hall
type: Release
type: MusicAlbum
created: 2011-04-27
creator: Riyu Kosaka
catalogue number: MHXL-5
by artist: Riyu Kosaka
date published: 2011-04-27

CROSS†CHANNEL ~In memory of all people~ SPECIAL SOUNDTRACK
type: Release
type: MusicAlbum
created: 2011-03-31
creator: Riyu Kosaka
catalogue number: FPBD-0176
by artist: Riyu Kosaka
date published: 2011-03-31

GUITARFREAKS 8thMIX & drummania 7thMIX Soundtracks
type: Release
type: MusicAlbum
created: 2002-10-23
creator: Riyu Kosaka
title: ギターフリークス エイスミックス アンド ドラムマニア セブンスミックス サウンドトラックス @ja
catalogue number: KOLA-002
by artist: Riyu Kosaka
date published: 2002-10-23

BeForU
type: Release
type: MusicAlbum
created: 2003-11-28
creator: Riyu Kosaka
title: ビー・フォー・ユー @ja
catalogue number: LC1248
by artist: Riyu Kosaka
date published: 2003-11-28

KI·SE·KI / Be For U
type: Release
type: MusicAlbum
created: 2004-11-18
creator: Riyu Kosaka
catalogue number: LC1342
by artist: Riyu Kosaka
date published: 2004-11-18

BeForU III ~Breaking Into The Probability Changes~
type: Release
type: MusicAlbum
created: 2007-03-14
creator: Riyu Kosaka
catalogue number: AVCA-26226
by artist: Riyu Kosaka
date published: 2007-03-14

Saisho no MELODY / Riyu Kosaka
type: Release
type: MusicAlbum
created: 2011-10-26
creator: Riyu Kosaka
title: 最初のMELODY / 小坂りゆ @ja
catalogue number: FVCG-1177
by artist: Riyu Kosaka
date published: 2011-10-26

GUITARFREAKS 10thMIX & drummania 9thMIX Soundtracks
type: Release
type: MusicAlbum
created: 2003-12-17
creator: Riyu Kosaka
title: ギターフリークス テンスミックス アンド ドラムマニア ナインスミックス サウンドトラックス @ja
catalogue number: KOLA-051
by artist: Riyu Kosaka
date published: 2003-12-17

pop'n music 12 Iroha AC ♥ CS pop'n music 10
type: Release
type: MusicAlbum
created: 2005-04-13
creator: Riyu Kosaka
title: pop'n music 12 いろは AC ♥ CS pop'n music 10 @ja
catalogue number: KOLA-094~6
by artist: Riyu Kosaka
date published: 2005-04-13

Guilty Flower ~Guilty Sky~ / Riyu Kosaka
type: Release
type: MusicAlbum
created: 2007-05-30
creator: Riyu Kosaka
title: 断罪の花～Guilty Sky～ / 小坂りゆ @ja
title: Danzai no Hana ~Guilty Sky~ / Riyu Kosaka @ja-latn
catalogue number: AVCA-26298
by artist: Riyu Kosaka
date published: 2007-05-30

GUITARFREAKS V3 & DRUMMANIA V3 SOUNDTRACKS
type: Release
type: MusicAlbum
created: 2007-03-08
creator: Riyu Kosaka
title: ギターフリークス ブイスリー アンド ドラムマニア ブイスリー サウンドトラックス @ja
catalogue number: LC1539~40
by artist: Riyu Kosaka
date published: 2007-03-08

beatmania IIDX 14 GOLD ORIGINAL SOUNDTRACK
type: Release
type: MusicAlbum
created: 2007-07-02
creator: Riyu Kosaka
title: beatmaniaIIDX 14 GOLDオリジナルサウンドトラック @ja
catalogue number: LC1554~5
by artist: Riyu Kosaka
date published: 2007-07-02

Dance Dance Revolution SuperNOVA Limited Edition Music Sampler
type: Release
type: MusicAlbum
created: 2006-09-26
creator: Riyu Kosaka
catalogue number: V-RARE SOUNDTRACK-8 USA
by artist: Riyu Kosaka
date published: 2006-09-26

Dance Dance Revolution HOTTEST PARTY Original Soundtrack
type: Release
type: MusicAlbum
created: 2007-10-25
creator: Riyu Kosaka
catalogue number: LC1604~5
by artist: Riyu Kosaka
date published: 2007-10-25

Dance Dance Revolution SuperNOVA Original Soundtrack
type: Release
type: MusicAlbum
created: 2007-01-25
creator: Riyu Kosaka
catalogue number: LC1533~4
by artist: Riyu Kosaka
date published: 2007-01-25

true... / Riyu Kosaka
type: Release
type: MusicAlbum
created: 2001-10-17
creator: Riyu Kosaka
title: 小坂りゆ - true... @ja
catalogue number: TOCP-4140
by artist: Riyu Kosaka
date published: 2001-10-17

BEMANI BEST for the 10th anniversary
type: Release
type: MusicAlbum
created: 2007-12-14
creator: Riyu Kosaka
catalogue number: LC1613~7
by artist: Riyu Kosaka
date published: 2007-12-14

GuitarFreaksV4 & DrumManiaV4 Rock×Rock Original Soundtracks
type: Release
type: MusicAlbum
created: 2008-02-22
creator: Riyu Kosaka
catalogue number: LC1621~2
by artist: Riyu Kosaka
date published: 2008-02-22

DanceDanceRevolution SuperNOVA2 Original Soundtrack
type: Release
type: MusicAlbum
created: 2008-02-21
creator: Riyu Kosaka
catalogue number: LC1623~4
by artist: Riyu Kosaka
date published: 2008-02-21

Strike Party!!! / BeForU [CD+DVD]
type: Release
type: MusicAlbum
created: 2007-01-17
creator: Riyu Kosaka
catalogue number: AVCA-26115/B
by artist: Riyu Kosaka
date published: 2007-01-17

Chaos Joutou!! Daretoku? Oretoku! avex Rare Anime Song Collection -GIRLS SIDE-
type: Release
type: MusicAlbum
created: 2013-03-13
creator: Riyu Kosaka
title: カオス上等!!誰得?俺得! avex レアニメソング コレクション ガールズサイド @ja
catalogue number: AVCD-38694
by artist: Riyu Kosaka
date published: 2013-03-13

Kokoro no Ato / Riyu Kosaka
type: Release
type: MusicAlbum
created: 2007-12-12
creator: Riyu Kosaka
title: ココロの跡 / 小坂りゆ @ja
catalogue number: AVCA-26588
by artist: Riyu Kosaka
date published: 2007-12-12

every struggle / Riyu Kosaka [with DVD]
type: Release
type: MusicAlbum
created: 2008-02-27
creator: Riyu Kosaka
title: every struggle / 小坂りゆ @ja
catalogue number: AVCA-26651/B
by artist: Riyu Kosaka
date published: 2008-02-27

every struggle / Riyu Kosaka
type: Release
type: MusicAlbum
created: 2008-02-27
creator: Riyu Kosaka
title: every struggle / 小坂りゆ @ja
catalogue number: AVCA-26652
by artist: Riyu Kosaka
date published: 2008-02-27

Sky Girls ~Opening Theme "Baby's Tears/Riyu Kosaka" & Original Soundtrack~
type: Release
type: MusicAlbum
created: 2006-08-25
creator: Riyu Kosaka
title: スカイガールズ~オープニングテーマ「Baby's Tears/小坂りゆ」&オリジナルサウンドトラック~ @ja
catalogue number: LC1493
by artist: Riyu Kosaka
date published: 2006-08-25

pop'n music 14 FEVER! AC ♥ CS pop'n music 12 Iroha & 13 Carnival
type: Release
type: MusicAlbum
created: 2006-10-27
creator: Riyu Kosaka
title: pop'n music 14 FEVER! AC ♥ CS pop'n music 12 いろは & 13 カーニバル @ja
catalogue number: LC1495~7
by artist: Riyu Kosaka
date published: 2006-10-27

pop'n music 9 AC ♥ CS pop'n music 7
type: Release
type: MusicAlbum
created: 2003-02-05
creator: Riyu Kosaka
title: ポップンミュージック9 エーシー ♥ シーエス ポップンミュージック7 @ja
catalogue number: KOLA-020~1
by artist: Riyu Kosaka
date published: 2003-02-05

Strike Party!!! / BeForU
type: Release
type: MusicAlbum
created: 2007-01-17
creator: Riyu Kosaka
catalogue number: AVCA-26116
by artist: Riyu Kosaka
date published: 2007-01-17

PACHISLOT beatmania ORIGINAL SOUNDTRACK
type: Release
type: MusicAlbum
created: 2008-05-28
creator: Riyu Kosaka
title: パチスロ ビートマニア オリジナルサウンドトラック @ja
catalogue number: GFCA-117
by artist: Riyu Kosaka
date published: 2008-05-28

SKYGIRLS ~Zero, Again~ Original Soundtrack
type: Release
type: MusicAlbum
created: 2015-10-28
creator: Riyu Kosaka
title: スカイガールズ ~ゼロ、ふたたび~ Original Soundtrack @ja
catalogue number: N/A
by artist: Riyu Kosaka
date published: 2015-10-28

Wish me luck!!!! / Haruka Ozora (CV: Kana Yuuki), Kanata Higa (CV: Saki Miyashita), Claire Thomas (CV: Atsumi Tanezaki), Emily Thomas (CV: Rie Suegara)
type: Release
type: MusicAlbum
created: 2018-08-22
creator: Riyu Kosaka
title: Wish me luck!!!! / 大空遥(CV:優木かな)、比嘉かなた(CV:宮下早紀)、トーマス・紅愛(CV:種崎敦美)、トーマス・恵美理(CV:末柄里恵) @ja
catalogue number: ZMCZ-12361
by artist: Riyu Kosaka
date published: 2018-08-22

HARUKANA RECEIVE CHARACTER SONG CD 3
type: Release
type: MusicAlbum
created: 2018-11-28
creator: Riyu Kosaka
title: はるかなレシーブ キャラクターソングCD3 @ja
catalogue number: ZMXZ-12473
by artist: Riyu Kosaka
date published: 2018-11-28

HARUKANA RECEIVE CHARACTER SONG CD 4
type: Release
type: MusicAlbum
created: 2018-12-21
creator: Riyu Kosaka
title: はるかなレシーブ キャラクターソングCD4 @ja
catalogue number: ZMXZ-12474
by artist: Riyu Kosaka
date published: 2018-12-21

HARUKANA RECEIVE CHARACTER SONG CD 5
type: Release
type: MusicAlbum
created: 2019-01-30
creator: Riyu Kosaka
title: はるかなレシーブ キャラクターソングCD5 @ja
catalogue number: ZMXZ-12475
by artist: Riyu Kosaka
date published: 2019-01-30

HARUKANA RECEIVE CHARACTER SONG CD 6
type: Release
type: MusicAlbum
created: 2019-02-27
creator: Riyu Kosaka
title: はるかなレシーブ キャラクターソングCD6 @ja
catalogue number: ZMXZ-12476
by artist: Riyu Kosaka
date published: 2019-02-27

PERSONA3 the Weird Masquerade Graduation
type: Release
type: MusicAlbum
created: 2019-03-05
creator: Riyu Kosaka
title: 舞台『PERSONA3 the Weird Masquerade』〜Graduation〜 CD @ja
catalogue number: CLIE-19146
by artist: Riyu Kosaka
date published: 2019-03-05

ONGEKI Vocal Collection 03
type: Release
type: MusicAlbum
created: 2019-04-24
creator: Riyu Kosaka
catalogue number: ZMCZ-13103
by artist: Riyu Kosaka
date published: 2019-04-24

DanceDanceRevolution 20th Anniversary Non Stop Mix Mixed by DJ KOO
type: Release
type: MusicAlbum
created: 2019-03-03
creator: Riyu Kosaka
catalogue number: QWCE-90020
by artist: Riyu Kosaka
date published: 2019-03-03

Dynamite Dynamite Rev. NAOKI SPECIAL ALBUM
type: Release
type: MusicAlbum
created: 2018-06-02
creator: Riyu Kosaka
catalogue number: NA-001ML
by artist: Riyu Kosaka
date published: 2018-06-02

BeForU III ~Breaking Into The Probability Changes~ [CD+DVD]
type: Release
type: MusicAlbum
created: 2007-03-14
creator: Riyu Kosaka
catalogue number: AVCA-26225/B
by artist: Riyu Kosaka
date published: 2007-03-14

V-RARE SOUNDTRACK - DDRMAX -Dance Dance Revolution 6thMIX-
type: Release
type: MusicAlbum
created: 2002-05-16
creator: Riyu Kosaka
catalogue number: WIZ-D0002
by artist: Riyu Kosaka
date published: 2002-05-16

V-RARE SOUNDTRACK 5 - DDRMAX2 -Dance Dance Revolution 7thMIX-
type: Release
type: MusicAlbum
created: 2003-04-24
creator: Riyu Kosaka
catalogue number: V-RARE ST005
by artist: Riyu Kosaka
date published: 2003-04-24

Riyu Kosaka
type: MusicGroup
type: Person
member of: BeForU
performed: SEVEN ~Shikkai~ / NAOKI feat. Riyu Kosaka
performed: WE♥WE [WE LOVE Winning Eleven]
performed: GUITARFREAKS & drummania BEST TRACKS
performed: Amatsu Misora ni! Soundtrack
performed: Koi to Mizugi to Taiyo to ~Sumire-jima Life Savers~ Original Soundtrack
performed: Mokke Original Soundtrack Sono Ongaku
performed: Live5pb.2010 @JCB Hall
performed: CROSS†CHANNEL ~In memory of all people~ SPECIAL SOUNDTRACK
performed: true... / Riyu Kosaka
performed: Chaos Joutou!! Daretoku? Oretoku! avex Rare Anime Song Collection -GIRLS SIDE-
performed: V-RARE SOUNDTRACK - DDRMAX -Dance Dance Revolution 6thMIX-
performed: V-RARE SOUNDTRACK 5 - DDRMAX2 -Dance Dance Revolution 7thMIX-
album: BeForU II
album: SEVEN ~Shikkai~ / NAOKI feat. Riyu Kosaka
album: 6NOTES / BeForU
album: Get set GO!! ~BeForU astronauts set~ / BeForU
album: Red Rocket Rising / BeForU
album: ONGEKI Vocal Best
album: DDR FESTIVAL & Dance Dance Revolution STRIKE ORIGINAL SOUNDTRACK
album: MASKED RIDER THE NEXT ORIGINAL SOUNDTRACK
album: WE♥WE [WE LOVE Winning Eleven]
album: beatmania IIDX 10th style ORIGINAL SOUNDTRACK
album: beatmania IIDX 11 IIDX RED Original Soundtrack
album: beatmania IIDX 12 HAPPY SKY ORIGINAL SOUNDTRACK
album: See You Again
album: beatmania IIDX 9th style Original Soundtrack
album: Dance Dance Revolution HOTTEST PARTY
album: DanceDanceRevolution SuperNOVA2
album: Dance Dance Revolution SuperNOVA
album: maimai DX Best Album Chiho 2
album: DDRMAX ORIGINAL SOUNDTRACK
album: DDRMAX2 ORIGINAL SOUNDTRACK
album: DanceDanceRevolutionEXTREME ORIGINAL SOUNDTRACK
album: Dance Dance Revolution EXTREME Premium CD
album: DanceDanceRevolution PartyCollection ORIGINAL SOUNDTRACK
album: VTuber SPEED
album: GENESiS RE:BUiLD 01
album: TEARED
album: BLUE&RED
album: SEVEN's CODE ZERO Vol.1
album: SEVEN's CODE ZERO Vol.5
album: SEVEN's CODE ZERO Vol.6
album: NAOKI MUSIC REINCARNATION
album: Tetote×Connect Original Soundtrack
album: Fragments // Past I -Eternity / NAOKI
album: GuitarFreaksV & DrumManiaV Soundtracks
album: GUITARFREAKS & drummania BEST TRACKS
album: GUITARFREAKS 11thMIX & drummania 10thMIX SOUNDTRACKS
album: begin / Riyu Kosaka
album: GuitarFreaksV2 & DrumManiaV2 SoundTracks
album: Amatsu Misora ni! Soundtrack
album: CLAYMORE TV Animation O. S. T.
album: Koi to Mizugi to Taiyo to ~Sumire-jima Life Savers~ Original Soundtrack
album: Mokke Original Soundtrack Sono Ongaku
album: Guilty Flower ~Guilty Sky~ / Riyu Kosaka [with DVD]
album: DanceDanceRevolution X2 Original Soundtrack
album: GUITARFREAKS 9thMIX & drummania 8thMIX SOUNDTRACKS
album: Live5pb.2010 @JCB Hall
album: CROSS†CHANNEL ~In memory of all people~ SPECIAL SOUNDTRACK
album: GUITARFREAKS 8thMIX & drummania 7thMIX Soundtracks
album: BeForU
album: KI·SE·KI / Be For U
album: BeForU III ~Breaking Into The Probability Changes~
album: Saisho no MELODY / Riyu Kosaka
album: GUITARFREAKS 10thMIX & drummania 9thMIX Soundtracks
album: pop'n music 12 Iroha AC ♥ CS pop'n music 10
album: Guilty Flower ~Guilty Sky~ / Riyu Kosaka
album: GUITARFREAKS V3 & DRUMMANIA V3 SOUNDTRACKS
album: beatmania IIDX 14 GOLD ORIGINAL SOUNDTRACK
album: Dance Dance Revolution SuperNOVA Limited Edition Music Sampler
album: Dance Dance Revolution HOTTEST PARTY Original Soundtrack
album: Dance Dance Revolution SuperNOVA Original Soundtrack
album: true... / Riyu Kosaka
album: BEMANI BEST for the 10th anniversary
album: GuitarFreaksV4 & DrumManiaV4 Rock×Rock Original Soundtracks
made: lyrics
made: BeForU II

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