birthdate: '1983-04-16'
birthplace: Ashikaga City, Tochigi Prefecture, Japan
discography:
- catalog: FLCF-3930
  date: '2002-11-20'
  link: album/140235
  reprint: false
  roles:
  - Remixer
  titles:
    en: Re:VISION / DOUBLE
    ja: Re:VISION / DOUBLE
    ja-latn: GREATEST REMIX Vol.2 / DOUBLE
  type: works
- catalog: VICL-62048~9
  date: '2006-07-26'
  link: album/1372
  reprint: false
  roles:
  - Arranger
  titles:
    en: TEKKEN 5" "TEKKEN DARK RESURRECTION" Original Soundtrack
    ja: 『鉄拳5』『鉄拳 DARK RESURRECTION』 オリジナル・サウンドトラック
    ja-latn: TEKKEN 5" "TEKKEN DARK RESURRECTION" Original Soundtrack
  type: game
- catalog: COCX-34769
  date: '2008-03-05'
  link: album/7313
  reprint: false
  roles:
  - Guitar (as OZEOZE)
  titles:
    en: THE IDOLM@STER MASTER LIVE 01 REM@STER-A
    ja: THE IDOLM@STER MASTER LIVE 01 REM@STER-A
    ja-latn: THE IDOLM@STER MASTER LIVE 01 REM@STER-A
  type: game
- catalog: SRCL-6776~7
  date: '2008-04-23'
  link: album/147098
  reprint: false
  roles:
  - Guitar (as Koji "OZE" Sekiguchi関口"OZE"功二)
  titles:
    en: Don't Stay / Nami Tamaki [Limited Edition]
    ja: Don't Stay / 玉置成実
    ja-latn: Don't Stay / Nami Tamaki [Limited Edition]
  type: anime
- catalog: SRCL-6778
  date: '2008-04-23'
  link: album/65579
  reprint: false
  roles:
  - Guitar (as Koji "OZE" Sekiguchi関口"OZE"功二)
  titles:
    en: Don't Stay / Nami Tamaki
    ja: Don't Stay / 玉置成実
    ja-latn: Don't Stay / Nami Tamaki
  type: anime
- catalog: COCX-35566
  date: '2009-07-01'
  link: album/12927
  reprint: false
  roles:
  - Guitar (as OZEOZE)
  titles:
    en: THE IDOLM@STER MASTER SPECIAL 05
    ja: THE IDOLM@STER MASTER SPECIAL 05
    ja-latn: THE IDOLM@STER MASTER SPECIAL 05
  type: game
- catalog: GNCA-1236
  date: '2009-12-23'
  link: album/98862
  reprint: false
  roles:
  - Guitar (as Kouji "OZE" SekiguchiKouji "OZE" Sekiguchi)
  titles:
    en: Sweets / Milan Himemiya and Chocolate Rockers
    ja: Sweets / 姫宮みらんとチョコレートロッカーズ
    ja-latn: Sweets / Milan Himemiya and Chocolate Rockers
  type: game
- catalog: COCX-36192
  date: '2010-06-23'
  link: album/18385
  reprint: false
  roles:
  - Guitar (as OZEOZE)
  titles:
    en: THE iDOLM@STER BEST OF 765+876=!! Vol.3
    ja: THE iDOLM@STER BEST OF 765+876=!! Vol.3
    ja-latn: THE iDOLM@STER BEST OF 765+876=!! Vol.3
  type: game
- catalog: COCX-36239~40
  date: '2010-06-23'
  link: album/18386
  reprint: false
  roles:
  - Guitar (as OZEOZE)
  titles:
    en: THE iDOLM@STER BEST OF 765+876=!! Vol.3 [Limited Edition]
    ja: THE iDOLM@STER BEST OF 765+876=!! Vol.3 [Limited Edition]
    ja-latn: THE iDOLM@STER BEST OF 765+876=!! Vol.3 [Limited Edition]
  type: game
- catalog: KICM-1335
  date: '2011-04-13'
  link: album/24643
  reprint: false
  roles:
  - Guitar (as Koji"OZE"SekiguchiKoji"OZE"Sekiguchi)
  titles:
    en: SCARLET KNIGHT / Nana Mizuki
    ja: SCARLET KNIGHT / 水樹奈々
    ja-latn: SCARLET KNIGHT / Nana Mizuki
  type: anime
- catalog: COCX-36903
  date: '2012-02-01'
  link: album/31040
  reprint: false
  roles:
  - Guitar (as OZEOZE)
  titles:
    en: THE IDOLM@STER ANIM@TION MASTER 07
    ja: THE IDOLM@STER ANIM@TION MASTER 07
    ja-latn: THE IDOLM@STER ANIM@TION MASTER 07
  type: anime
- catalog: COKM-31525
  date: '2012-10-10'
  link: album/95218
  reprint: false
  roles:
  - Guitar (as OZEOZE)
  titles:
    en: THE IDOLM@STER ENDING COLLECTION -SECOND SEASON-
    ja: TVアニメ「アイドルマスター」 ENDING COLLECTION -SECOND SEASON-
    ja-latn: THE IDOLM@STER ENDING COLLECTION -SECOND SEASON-
  type: anime
- catalog: NBGI-0089
  date: '2014-10-01'
  link: album/48922
  reprint: false
  roles:
  - Arranger (as Kouji Sekiguchi)
  titles:
    en: Tekken 20th Anniversary Mix
    ja: Tekken 20th Anniversary Mix
    ja-latn: Tekken 20th Anniversary Mix
  type: game
- catalog: NW10103340
  date: '2015-09-25'
  link: album/54511
  reprint: false
  roles:
  - Guitar
  titles:
    en: Seize the Day / SPiKA
    ja: Seize the Day / SPiKA
    ja-latn: Seize the Day / SPiKA
  type: game
- catalog: TX-OSTM
  date: '2015-09-25'
  link: album/53112
  reprint: false
  roles:
  - Performer
  titles:
    en: TOKYO XANADU ORIGINAL SOUNDTRACK mini
    ja: 東亰ザナドゥ オリジナルサウンドトラックmini
    ja-latn: TOKYO XANADU ORIGINAL SOUNDTRACK mini
  type: bonus
- catalog: NW10103350
  date: '2015-10-30'
  link: album/54920
  reprint: false
  roles:
  - Guitar
  titles:
    en: TOKYO XANADU ORIGINAL SOUNDTRACK
    ja: 東亰ザナドゥ オリジナルサウンドトラック
    ja-latn: TOKYO XANADU ORIGINAL SOUNDTRACK
  type: game
- catalog: AVCD-93392
  date: '2016-02-10'
  link: album/57098
  reprint: false
  roles:
  - Guitar
  - Bass
  titles:
    en: 'Genei Ibunroku #FE Vocal Collection'
    ja: 幻影異聞録♯FE ボーカルコレクション
    ja-latn: 'Genei Ibunroku #FE Vocal Collection'
  type: game
- catalog: FVCG-1377
  date: '2016-06-22'
  link: album/59358
  reprint: false
  roles:
  - Guitar
  titles:
    en: PRISMRAIN / Yumi Hara
    ja: プリズムレイン / 原由実 [通常盤]
    ja-latn: PRISMRAIN / Yumi Hara
  type: works
- catalog: CFCD-00005
  date: '2017-08-18'
  link: album/116241
  reprint: false
  roles:
  - Guitar
  titles:
    en: Star*Trine / Sorako Harumiya, Yui Sezuki, Chino Haneda, Luna Hinomae, Hikari
      Takahana, Kaede Kohuu, Miyu Yuzuki, Tsukasa Izumi, Yatsuha Sakagami
    ja: Star*Trine / Sorako Harumiya, Yui Sezuki, Chino Haneda, Luna Hinomae, Hikari
      Takahana, Kaede Kohuu, Miyu Yuzuki, Tsukasa Izumi, Yatsuha Sakagami
    ja-latn: Star*Trine / Sorako Harumiya, Yui Sezuki, Chino Haneda, Luna Hinomae,
      Hikari Takahana, Kaede Kohuu, Miyu Yuzuki, Tsukasa Izumi, Yatsuha Sakagami
  type: game
- catalog: USSW-0082
  date: '2018-03-14'
  link: album/73814
  reprint: false
  roles:
  - Guitar
  titles:
    en: YOU&ME / Yumi Hara
    ja: YOU&ME / 原由実
    ja-latn: YOU&ME / Yumi Hara
  type: game
- catalog: AVCD-96414~6
  date: '2020-01-17'
  link: album/93535
  reprint: false
  roles:
  - Guitar
  - Bass
  titles:
    en: 'Genei Ibunroku #FE Encore Best Sound Collection'
    ja: 幻影異聞録♯FE Encore ベストサウンドコレクション
    ja-latn: 'Genei Ibunroku #FE Encore Best Sound Collection'
  type: game
- catalog: NW10103510
  date: '2020-12-16'
  link: album/105061
  reprint: false
  roles:
  - Guitar
  titles:
    en: The Legend of Heroes HAJIMARI NO KISEKI ORIGINAL SOUNDTRACK
    ja: 英雄伝説 創の軌跡 オリジナルサウンドトラック
    ja-latn: The Legend of Heroes HAJIMARI NO KISEKI ORIGINAL SOUNDTRACK
  type: game
- catalog: NW10103550
  date: '2022-03-18'
  link: album/116917
  reprint: false
  roles:
  - Guitar
  titles:
    en: 'THE LEGEND OF HEROES: KURO NO KISEKI ORIGINAL SOUNDTRACK'
    ja: 英雄伝説 黎の軌跡 オリジナルサウンドトラック
    ja-latn: 'THE LEGEND OF HEROES: KURO NO KISEKI ORIGINAL SOUNDTRACK'
  type: game
- catalog: NW10103560
  date: '2022-12-22'
  link: album/123842
  reprint: false
  roles:
  - Guitar
  titles:
    en: THE LEGEND OF HEROES KURO NO KISEKI SUPER ULTIMATE
    ja: 英雄伝説 黎の軌跡 SUPER ULTIMATE
    ja-latn: THE LEGEND OF HEROES KURO NO KISEKI SUPER ULTIMATE
  type: game
- catalog: NW10103580
  date: '2023-02-20'
  link: album/125219
  reprint: false
  roles:
  - Guitar
  titles:
    en: 'THE LEGEND OF HEROES: KURO NO KISEKI II -CRIMSON SiN- ORIGINAL SOUNDTRACK
      Last Volume'
    ja: 英雄伝説 黎の軌跡II -CRIMSON SiN- オリジナルサウンドトラック【下巻】
    ja-latn: 'THE LEGEND OF HEROES: KURO NO KISEKI II -CRIMSON SiN- ORIGINAL SOUNDTRACK
      Last Volume'
  type: game
- catalog: NW10103590
  date: '2023-02-20'
  link: album/125220
  reprint: false
  roles:
  - Guitar
  titles:
    en: 'THE LEGEND OF HEROES: KURO NO KISEKI II -CRIMSON SiN- ORIGINAL SOUNDTRACK
      COMPLETE'
    ja: 英雄伝説 黎の軌跡II -CRIMSON SiN- オリジナルサウンドトラック【上下巻セット版】
    ja-latn: 'THE LEGEND OF HEROES: KURO NO KISEKI II -CRIMSON SiN- ORIGINAL SOUNDTRACK
      COMPLETE'
  type: game
- catalog: TX-OST-CW
  date: '2023-06-29'
  link: album/127484
  reprint: false
  roles:
  - Guitar
  titles:
    en: Tokyo Xanadu Complete Works
    ja: 東亰ザナドゥ Complete Works
    ja-latn: Tokyo Xanadu Complete Works
  type: bonus
- catalog: BSC-KURO1
  date: '2024-02-15'
  link: album/134038
  reprint: false
  roles:
  - Guitar
  titles:
    en: Best Sound Collection -KURO NO KISEKI-
    ja: Best Sound Collection -KURO NO KISEKI-
    ja-latn: Best Sound Collection -KURO NO KISEKI-
  type: bonus
featured_on: []
info:
  Birthdate: Apr 16, 1983
  Birthplace: Ashikaga City, Tochigi Prefecture, Japan
  Bloodtype: A
  Credited works:
  - 28 albums in database
  - 6 products in database
  Credits:
  - 29 guitar
  - 4 bass
  - 3 arranger
  - 1 remixer
  - 1 performer
  - 1 sound designer
  Variations:
  - names:
      en: KOJI SEKIGUCHI
link: artist/19763
meta:
  added_date: 2016-07-28T18:00
  edited_date: 2024-06-15T02:09
  fetched_date: 2025-11-24T16:05
  ttl: 86400
  visitors: 2679
name: Koji Sekiguchi
name_real: 関口 功二
name_trans: せきぐち こうじ
notes: No notes available for this artist.
picture_full: https://media.vgm.io/artists/36/19763/19763-1469757634.jpg
picture_small: https://thumb-media.vgm.io/artists/36/19763/19763-1469757634.jpg
sex: male
twitter_names:
- oze1200
type: Individual
vgmdb_link: https://vgmdb.net/artist/19763?perpage=99999
websites:
  Official: []
  Personal: []
