| Hata Aki畑 亜貴 | |
| Language | Japanese |
| Links | Official website Wikipedia (en) Wikipedia (ja) Wikidata Xitter AniDB MusicBrainz VGMdb Discogs |
| Title | Released | Role | As | Note |
| Ugetsu Kitan PS1 Edition | 1992-11-06 | Composer | Hata Aki | Music |
| Eternal Melody | 1996-10-04 | Vocals | Hata Aki | Saturn OP "Suichuu Hikou" and ED "Doushiou?" |
| Yuukyuu Gensoukyoku | 1997-07-18 | Vocals | Hata Aki | SS OP "Oshiete Hoshii no" and ED "Shinju ni Naritai" |
| Pinocchia no Miru Yume | 1999-08-05 | Composer | Hata Aki | |
| Fragrance Tale | 2001-02-16 | Composer | Hata Aki | |
| Sister Princess ~Pure Stories~ | 2001-12-13 | Composer | Hata Aki | BGM |
| Shine ~Kotoba o Tsumuide~ | 2002-04-25 | Vocals | Hata Aki | ED "Blue Sympathy" |
| Imouto de Ikou! | 2002-12-27 | Vocals | Hata Aki | ED "Koisuru Chikakute Ii no Kana" and insert song "Shizuka na Egao de Ukitomete" |
| Muv-Luv | 2003-02-28 | Staff | Hata Aki | All-ages ver. Chizuru ED lyrics |
| The Black Box | 2003-02-28 | Staff | Hata Aki | OP lyrics |
| Sister Princess 2 | 2003-03-20 | Composer | Hata Aki | |
| Brown Doori Sanbanme | 2003-03-28 | Composer | Hata Aki | |
| Brown Doori Sanbanme | 2003-03-28 | Vocals | Hata Aki | Theme Song "Brown Doori de Mattemasu" |
| Shoujo Yoshitsuneden | 2003-09-18 | Composer | Hata Aki | |
| Chocolate Days | 2003-10-03 | Composer | Hata Aki | OP composing, lyrics |
| Chocolate Days | 2003-10-03 | Vocals | Hata Aki | OP "Chocolate" |
| Ayumi-chan Labo | 2003-10-24 | Composer | Hata Aki | BGM, OP, ED |
| Sister Princess 2 Premium Fan Disc | 2003-11-13 | Composer | Hata Aki | |
| Eien no Aselia -The Spirit of Eternity Sword- | 2003-11-28 | Composer | Hata Aki | |
| Henshi~n! | 2004-03-19 | Composer | Hata Aki | |
| Suzukuri Dragon | 2004-06-25 | Composer | Hata Aki | OP |
| Suzukuri Dragon | 2004-06-25 | Vocals | Hata Aki | OP "Aozora Bolero" |
| Heavenly Guilt -Kami no Inai Machi- | 2004-07-23 | Composer | Hata Aki | |
| Yakimochi Twin Bell | 2004-11-26 | Composer | Hata Aki | OP lyrics |
| Futakoi | 2004-12-09 | Composer | Hata Aki | |
| Muv-Luv Supplement | 2004-12-17 | Staff | Hata Aki | Duelist OP lyrics |
| Yurine ~Onee-sama ga Oshiete Kureta~ | 2005-02-11 | Composer | Hata Aki | OP |
| Yurine ~Onee-sama ga Oshiete Kureta~ | 2005-02-11 | Vocals | Hata Aki | OP "Ibara Tiara" |
| Nangoku Dominion | 2005-02-18 | Composer | Hata Aki | OP |
| Henshi~n! 2 | 2005-03-18 | Composer | Hata Aki | |
| Parfait ~Chocolat Second Brew~ | 2005-03-25 | Staff | Hata Aki | PS2 ED lyrics |
| Kami-sama no Iu toori Kujibiki Ai-biki Scramble | 2005-04-28 | Composer | Hata Aki | OP |
| Kami-sama no Iu toori Kujibiki Ai-biki Scramble | 2005-04-28 | Vocals | Hata Aki | OP "Mayoeru Koi Hitsuji" |
| Princess Maker 4 | 2005-09-01 | Staff | Hata Aki | ED "Hatsukoi Kobako" lyrics |
| Dancing Crazies | 2005-09-30 | Vocals | Hata Aki | OP "DEATH RATE OF LOVE ~Shi no Bara no Tameni" |
| Rune Princess | 2005-11-24 | Vocals | Hata Aki | ED "Rune Pride" |
| Prism Ark ~Prism Heart Episode 2~ | 2006-08-25 | Staff | Hata Aki | Insert song "Angel Race" lyrics |
| Akane Iro ni Somaru Saka | 2007-07-27 | Staff | Hata Aki | PC OP, ED lyrics |
| Lucky☆Star ~Ryouou Gakuen Outousai~ | 2008-01-24 | Staff | Hata Aki | OP, ED lyrics |
| Wizard's Climber | 2008-05-30 | Composer | Hata Aki | OP |
| Daisounan | 2009-03-27 | Composer | Hata Aki | Theme song |
| Tsun na Kanojo Dere na Kanojo | 2009-04-24 | Staff | Hata Aki | Tsun OP lyrics |
| Hiiro no Kakera - Shin Tamayorihime Denshou | 2009-10-01 | Composer | Hata Aki | Lyrics for OP and ED |
| Lucky☆Star - Net Idol Meister | 2009-12-23 | Staff | Hata Aki | Lyrics |
| Hoshizora e Kakaru Hashi | 2010-10-15 | Staff | Hata Aki | OP lyrics |
| Tantei Opera Milky Holmes | 2010-12-16 | Staff | Hata Aki | OP, ED lyrics |
| Eiyuu * Senki | 2012-03-30 | Staff | Hata Aki | PC OP lyrics |
| Tantei Opera Milky Holmes 2 | 2012-08-23 | Staff | Hata Aki | Final Chapter OP lyrics |
| Sakura-sou no Pet na Kanojo | 2013-02-14 | Staff | Hata Aki | OP lyrics |
| Muv-Luv Alternative - Total Eclipse | 2013-05-16 | Staff | Hata Aki | Lyrics for "Snow Maiden" & "Deep side distance" |
| Haiyore! Nyaruko-san Meijou Shigatai Game no You na Mono | 2013-05-30 | Staff | Hata Aki | Title Screen BGM lyrics |
| Out Vegetables | 2014-06-27 | Staff | Hata Aki | OP lyrics |
| Tropical Vacation | 2014-10-31 | Staff | Hata Aki | OP lyrics |
| Schwarzesmarken | 2015-11-27 | Staff | Hata Aki | ED lyrics |
| Gochuumon wa Usagi Desu ka?? Wonderful Party! | 2016-03-03 | Staff | Hata Aki | OP lyrics |