birthplace: Tochigi Prefecture, Japan
discography:
- catalog: KCS-1014
  date: '2005-12-10'
  link: album/14609
  reprint: false
  roles:
  - Guitar
  - Composer
  titles:
    en: Angelique Ribbon
    ja: アンジェリーク Ribbon
    ja-latn: Angelique Ribbon
  type: bonus
- catalog: FCCM-0097
  date: '2006-01-25'
  link: album/26186
  reprint: false
  roles:
  - Electric Guitar
  titles:
    en: KARIN Soundtrack & Drama Album
    ja: TVアニメーション「かりん」 Soundtrack & Drama Album
    ja-latn: KARIN Soundtrack & Drama Album
  type: anime
- catalog: KECH-1354
  date: '2006-04-19'
  link: album/14492
  reprint: false
  roles:
  - Composer
  titles:
    en: ANGELIQUE Dear My Angel
    ja: アンジェリーク Dear My Angel
    ja-latn: ANGELIQUE Dear My Angel
  type: game
- catalog: VTCL-35041
  date: '2008-11-19'
  link: album/46097
  reprint: false
  roles:
  - Electric Guitar
  titles:
    en: Mobile Suit Gundam 00 VOICE ACTOR SINGLE 4 HIROYUKI YOSHINO Come Across ALLELUJAH
      HAPTISM
    ja: 機動戦士ガンダム00 Voice Actor Single 吉野裕行 come across アレルヤ・ハプティズム
    ja-latn: Mobile Suit Gundam 00 VOICE ACTOR SINGLE 4 HIROYUKI YOSHINO Come Across
      ALLELUJAH HAPTISM
  type: anime
- catalog: KECH-1473~4
  date: '2009-02-04'
  link: album/14408
  reprint: false
  roles:
  - Composer
  titles:
    en: Harukanaru Tokinonakade Yumenoukihashi Special ~Tenka no Niji~
    ja: 遙かなる時空の中で 夢浮橋 Special~天花の虹~
    ja-latn: 'Harukanaru Toki no Naka de: Yume no Ukihashi Special ~Tenka no Niji~'
  type: game
- catalog: KDSD-00381~2
  date: '2010-08-04'
  link: album/20517
  reprint: false
  roles:
  - Performer
  titles:
    en: Yumehanaguruma / Aika Yoshioka [Limited Edition]
    ja: 夢花車 / 吉岡亜衣加
    ja-latn: Yumehanaguruma / Aika Yoshioka [Limited Edition]
  type: game
- catalog: KDSD-00383
  date: '2010-08-04'
  link: album/20518
  reprint: false
  roles:
  - Performer
  titles:
    en: Yumehanaguruma / Aika Yoshioka
    ja: 夢花車 / 吉岡亜衣加
    ja-latn: Yumehanaguruma / Aika Yoshioka
  type: game
- catalog: VTCL-60247
  date: '2011-09-21'
  link: album/27554
  reprint: false
  roles:
  - Electric Guitar
  titles:
    en: TV ANIMATION "KAMISAMA DOLLS" ORIGINAL SOUNDTRACK
    ja: テレビアニメーション「神様ドォルズ」オリジナルサウンドトラック
    ja-latn: TV ANIMATION "KAMISAMA DOLLS" ORIGINAL SOUNDTRACK
  type: anime
- catalog: LACA-15497
  date: '2015-06-24'
  link: album/52163
  reprint: false
  roles:
  - Guitar
  titles:
    en: Aikatsu! 3rd Season Insert Song Mini Album 1 Joyful Dance
    ja: TVアニメ/データカードダス『アイカツ!』3rdシーズン挿入歌ミニアルバム1 Joyful Dance
    ja-latn: Aikatsu! 3rd Season Insert Song Mini Album 1 Joyful Dance
  type: anime
- catalog: LACA-15512
  date: '2015-08-26'
  link: album/53299
  reprint: false
  roles:
  - Guitar
  titles:
    en: Aikatsu! 3rd Season Insert Song Mini Album 2 Colorful Smile
    ja: TVアニメ/データカードダス『アイカツ!』3rdシーズン挿入歌ミニアルバム2 Colorful Smile
    ja-latn: Aikatsu! 3rd Season Insert Song Mini Album 2 Colorful Smile
  type: anime
- catalog: LACA-9440~1
  date: '2016-03-16'
  link: album/56184
  reprint: false
  roles:
  - Performer
  titles:
    en: Aikatsu! Best Album Lovely Party!!
    ja: TVアニメ/データカードダス アイカツ! 3rdシーズンベストアルバム Lovely Party!!
    ja-latn: Aikatsu! Best Album Lovely Party!!
  type: anime
- catalog: LACA-15543
  date: '2016-05-18'
  link: album/59182
  reprint: false
  roles:
  - Guitar
  titles:
    en: Kidou ~Start Up!~ / Ayaka Ohashi
    ja: 起動~Start Up!~ / 大橋彩香
    ja-latn: Kidou ~Start Up!~ / Ayaka Ohashi
  type: anime
- catalog: LACA-35543
  date: '2016-05-18'
  link: album/59184
  reprint: false
  roles:
  - Guitar
  titles:
    en: Kidou ~Start Up!~ / Ayaka Ohashi [Limited Edition]
    ja: 起動~Start Up!~ / 大橋彩香 [超限定盤]
    ja-latn: Kidou ~Start Up!~ / Ayaka Ohashi [Limited Edition]
  type: anime
- catalog: LACA-35544
  date: '2016-05-18'
  link: album/59183
  reprint: false
  roles:
  - Guitar
  titles:
    en: Kidou ~Start Up!~ / Ayaka Ohashi [Limited Edition]
    ja: 起動~Start Up!~ / 大橋彩香 [限定盤]
    ja-latn: Kidou ~Start Up!~ / Ayaka Ohashi [Limited Edition]
  type: anime
- catalog: VTCL-35255
  date: '2017-02-22'
  link: album/62622
  reprint: false
  roles:
  - Guitar
  titles:
    en: Natsuoto -Fushigi na Iro-/Cat-Cat Romance
    ja: 「バトルガール ハイスクール」キャラクターボーカルシリーズ03 夏音-フシギナイロ-/Cat-Cat Romance
    ja-latn: 'Battle Girl High School" Character Vocal Series 03: Natsuoto -Fushigi
      na Iro-/Cat-Cat Romance'
  type: game
- catalog: LACA-39500~11
  date: '2017-06-28'
  link: album/66794
  reprint: false
  roles:
  - Performer
  titles:
    en: AIKATSU! COMPLETE CD-BOX
    ja: TVアニメ/データカードダス『アイカツ!』COMPLETE CD-BOX
    ja-latn: AIKATSU! COMPLETE CD-BOX
  type: anime
- catalog: LACM-14731
  date: '2018-01-17'
  link: album/74418
  reprint: false
  roles:
  - Guitar
  titles:
    en: THE IDOLM@STER SideM 3rd ANNIVERSARY DISC 01 Café Parade & Altessimo & Legenders
    ja: THE IDOLM@STER SideM 3rd ANNIVERSARY DISC 01 Café Parade & Altessimo & Legenders
    ja-latn: THE IDOLM@STER SideM 3rd ANNIVERSARY DISC 01 Café Parade & Altessimo
      & Legenders
  type: game
- catalog: VTCY-103~9
  date: '2018-01-24'
  link: album/69371
  reprint: false
  roles:
  - Guitar
  titles:
    en: Hoshimori Song Book 3
    ja: 星守ソングブック3
    ja-latn: Hoshimori Song Book 3
  type: bonus
- catalog: LZM-2167
  date: '2018-02-02'
  link: album/74633
  reprint: false
  roles:
  - Guitar
  titles:
    en: THE IDOLM@STER SideM 3rd ANNIVERSARY SOLO COLLECTION 01
    ja: THE IDOLM@STER SideM 3rd ANNIVERSARY SOLO COLLECTION 01
    ja-latn: THE IDOLM@STER SideM 3rd ANNIVERSARY SOLO COLLECTION 01
  type: game
- catalog: VTCL-35274
  date: '2018-04-25'
  link: album/75744
  reprint: false
  roles:
  - Guitar
  titles:
    en: Rocket Beat / Kiyono Yasuno
    ja: ロケットビート / 安野希世乃
    ja-latn: Rocket Beat / Kiyono Yasuno
  type: anime
- catalog: FFCG-0081
  date: '2018-06-27'
  link: album/76003
  reprint: false
  roles:
  - Composer
  titles:
    en: ENSEMBLE STARS! ALBUM SERIES PRESENT -AKATSUKI- [Limited Edition]
    ja: あんさんぶるスターズ! アルバムシリーズ PRESENT -紅月- [初回限定生産盤]
    ja-latn: ENSEMBLE STARS! ALBUM SERIES PRESENT -AKATSUKI- [Limited Edition]
  type: game
- catalog: FFCG-0082
  date: '2018-06-27'
  link: album/75998
  reprint: false
  roles:
  - Composer
  titles:
    en: ENSEMBLE STARS! ALBUM SERIES PRESENT -AKATSUKI-
    ja: あんさんぶるスターズ! アルバムシリーズ PRESENT -紅月-
    ja-latn: ENSEMBLE STARS! ALBUM SERIES PRESENT -AKATSUKI-
  type: game
- catalog: VTCL-60502~3
  date: '2019-09-04'
  link: album/87894
  reprint: false
  roles:
  - Guitar
  titles:
    en: Okaeri. / Kiyono Yasuno [Limited Edition B]
    ja: おかえり。 / 安野希世乃 [初回限定盤B]
    ja-latn: Okaeri. / Kiyono Yasuno [Limited Edition B]
  type: anime
- catalog: VTCL-60504
  date: '2019-09-04'
  link: album/86529
  reprint: false
  roles:
  - Guitar
  titles:
    en: Okaeri. / Kiyono Yasuno
    ja: おかえり。 / 安野希世乃
    ja-latn: Okaeri. / Kiyono Yasuno
  type: anime
- catalog: VTZL-160
  date: '2019-09-04'
  link: album/87893
  reprint: false
  roles:
  - Guitar
  titles:
    en: Okaeri. / Kiyono Yasuno [Limited Edition A]
    ja: おかえり。 / 安野希世乃 [初回限定盤A]
    ja-latn: Okaeri. / Kiyono Yasuno [Limited Edition A]
  type: anime
- catalog: KECH-9043
  date: '2020-02-19'
  link: album/92012
  reprint: false
  roles:
  - Composer
  - Arranger
  titles:
    en: Neoromance 25th Anniversary Vocal Complete BOX
    ja: ネオロマンス 25th Anniversary ヴォーカルコンプリートBOX [受注生産限定]
    ja-latn: Neoromance 25th Anniversary Vocal Complete BOX
  type: game
- catalog: AKCY-58074/B
  date: '2020-11-10'
  link: album/103719
  reprint: false
  roles:
  - Instruments
  - Guitar
  - Arranger
  titles:
    en: Start! / Rico Sasaki [Artist Edition]
    ja: スタート! / 佐々木李子 [アーティスト盤]
    ja-latn: Start! / Rico Sasaki [Artist Edition]
  type: game
- catalog: AKCY-58075
  date: '2020-11-10'
  link: album/103720
  reprint: false
  roles:
  - Instruments
  - Guitar
  - Arranger
  titles:
    en: Start! / Rico Sasaki [Limited Edition]
    ja: スタート! / 佐々木李子 [初回生産限定盤]
    ja-latn: Start! / Rico Sasaki [Limited Edition]
  type: game
- catalog: BRMM-10411
  date: '2021-05-26'
  link: album/109828
  reprint: false
  roles:
  - Composer
  - Arranger
  titles:
    en: JUNCTION/Y / Argonavis [Limited Edition]
    ja: JUNCTION/Y / Argonavis [Blu-ray付生産限定盤]
    ja-latn: JUNCTION/Y / Argonavis [Limited Edition]
  type: game
- catalog: BRMM-10412
  date: '2021-05-26'
  link: album/109827
  reprint: false
  roles:
  - Composer
  - Arranger
  titles:
    en: JUNCTION/Y / Argonavis [Regular Edition Atype -Character Jacket-]
    ja: JUNCTION/Y / Argonavis [通常盤Atype-Character Jacket-]
    ja-latn: JUNCTION/Y / Argonavis [Regular Edition Atype -Character Jacket-]
  type: game
- catalog: LACZ-10072~3
  date: '2021-08-21'
  link: album/112113
  reprint: false
  roles:
  - Guitar
  titles:
    en: THE IDOLM@STER SideM INSTRUMENTAL MUSIC COLLECTION 02
    ja: THE IDOLM@STER SideM INSTRUMENTAL MUSIC COLLECTION 02
    ja-latn: THE IDOLM@STER SideM INSTRUMENTAL MUSIC COLLECTION 02
  type: game
- catalog: AVCD-96704/B
  date: '2021-09-08'
  link: album/112903
  reprint: false
  roles:
  - Arranger
  titles:
    en: 1MYB
    ja: 1MYB
    ja-latn: 1MYB
  type: game
- catalog: AVCD-96705
  date: '2021-09-08'
  link: album/112902
  reprint: false
  roles:
  - Arranger
  titles:
    en: 1MYB
    ja: 1MYB
    ja-latn: 1MYB
  type: game
- catalog: LACM-24186
  date: '2022-04-06'
  link: album/117641
  reprint: false
  roles:
  - Guitar
  - Composer
  - Arranger
  titles:
    en: THE IDOLM@STER SideM GROWING SIGN@L 06 SAI
    ja: THE IDOLM@STER SideM GROWING SIGN@L 06 彩
    ja-latn: THE IDOLM@STER SideM GROWING SIGN@L 06 SAI
  type: game
- catalog: EYCA-13695
  date: '2022-08-17'
  link: album/120919
  reprint: false
  roles:
  - Composer
  - Arranger
  titles:
    en: HAPPINESS for ALL / Cgrass
    ja: HAPPINESS for ALL / Cgrass
    ja-latn: HAPPINESS for ALL / Cgrass
  type: anime
- catalog: STOR-0001
  date: '2023-04-19'
  link: album/131407
  reprint: false
  roles:
  - Instruments
  - Guitar
  - Arranger
  titles:
    en: Akatsuki / Rico Sasaki
    ja: 暁 / 佐々木李子
    ja-latn: Akatsuki / Rico Sasaki
  type: game
- catalog: STOR-0002
  date: '2023-04-19'
  link: album/131408
  reprint: false
  roles:
  - Instruments
  - Guitar
  - Arranger
  titles:
    en: Yoi / Rico Sasaki
    ja: 宵 / 佐々木李子
    ja-latn: Yoi / Rico Sasaki
  type: game
- catalog: LACM-24515
  date: '2024-03-06'
  link: album/134385
  reprint: false
  roles:
  - Guitar
  titles:
    en: THE IDOLM@STER SideM F@NTASTIC COMBINATION~CONNECTIME!!!!~ -harmony chord-
      SAI
    ja: THE IDOLM@STER SideM F@NTASTIC COMBINATION~CONNECTIME!!!!~ -共鳴和音- 彩
    ja-latn: THE IDOLM@STER SideM F@NTASTIC COMBINATION~CONNECTIME!!!!~ -harmony chord-
      SAI
  type: game
- catalog: LACA-19095~6
  date: '2024-11-27'
  link: album/141129
  reprint: false
  roles:
  - Guitar
  titles:
    en: THE IDOLM@STER SideM 10th ANNIVERSARY P@SSION 03 Altessimo
    ja: THE IDOLM@STER SideM 10th ANNIVERSARY P@SSION 03 Altessimo
    ja-latn: THE IDOLM@STER SideM 10th ANNIVERSARY P@SSION 03 Altessimo
  type: game
- catalog: LACA-19103~4
  date: '2025-01-22'
  link: album/141134
  reprint: false
  roles:
  - Guitar
  - Composer
  - Arranger
  titles:
    en: THE IDOLM@STER SideM 10th ANNIVERSARY P@SSION 07 SAI
    ja: THE IDOLM@STER SideM 10th ANNIVERSARY P@SSION 07 彩
    ja-latn: THE IDOLM@STER SideM 10th ANNIVERSARY P@SSION 07 SAI
  type: game
featured_on: []
info:
  Birthplace: Tochigi Prefecture, Japan
  Credited works:
  - 40 albums in database
  - 1 products in database
  Credits:
  - 23 guitar
  - 13 arranger
  - 12 composer
  - 4 performer
  - 4 instruments
  - 3 electric guitar
  Variations:
  - names:
      ja: 関口昌大
link: artist/6562
meta:
  added_date: 2009-07-11T05:13
  edited_date: 2017-02-25T06:08
  fetched_date: 2026-01-09T09:47
  ttl: 86400
  visitors: 3362
name: Akihiro Sekiguchi
name_real: 関口 晶大
name_trans: せきぐち あきひろ
notes: No notes available for this artist.
picture_full: https://media.vgm.io/artists/26/6562/6562-1488031681.jpg
picture_small: https://thumb-media.vgm.io/artists/26/6562/6562-1488031681.jpg
sex: male
twitter_names:
- gt_sekiaki
type: Individual
vgmdb_link: https://vgmdb.net/artist/6562?perpage=99999
websites:
  Official: []
  Personal: []
