| Title | Released | Role | As | Note |
| Hanakisou | 2003-12-28 | Composer | Shikata Akiko | BGM, OP, ED, Inserts |
| Hanakisou | 2003-12-28 | Vocals | Shikata Akiko | OP "Hanakisou", ED "Se l'aura spira", Inserts "Nevicata", "Kaikou", "Agnus Dei", "sorriso" |
| Hanakisou | 2003-12-28 | Staff | Shikata Akiko | Lyrics ED |
| Hanakisou PS2 | 2003-12-28 | Composer | Shikata Akiko | EDs, Inserts |
| Hanakisou PS2 | 2003-12-28 | Vocals | Shikata Akiko | ED "Harutsuge", ED "Reimei", Inserts "Routa della Fortune", "Akai Kagerou", "Nevicata ~Origine~" |
| Hanakisou PSP | 2003-12-28 | Composer | Shikata Akiko | Inserts except "Utakata ~Tenohira de Kieru Yuki~" |
| Hanakisou PSP | 2003-12-28 | Vocals | Shikata Akiko | Inserts "Genzai", "Utakata ~Tenohira de Kieru Yuki~", "Shukuga" |
| Ar tonelico ~Sekai no Owari de Utai Tsuzukeru Shoujo~ | 2006-01-26 | Composer | Shikata Akiko | Insert songs "EXEC_PAJA/.#Misya extracting", "EXEC_CHRONICLE_KEY/." & EXEC_HARMONIUS/." composition, arrangement, lyrics |
| Ar tonelico ~Sekai no Owari de Utai Tsuzukeru Shoujo~ | 2006-01-26 | Vocals | Shikata Akiko | OP "Utau Oka -Harmonics EOLIA-", insert song "EXEC_PAJA/.#Misya extracting", "EXEC_CHRONICLE_KEY/.", "Tsugau Inochi no Koe", ED "EXEC_PHANTASMAGORIA/.", "EXEC_HARMONIUS/." & Misha's hymns |
| Umineko no Naku Koro ni | 2007-08-17 | Composer | Shikata Akiko | OP composition, arrangement |
| Umineko no Naku Koro ni | 2007-08-17 | Vocals | Shikata Akiko | OP "Umineko no Naku Koro ni" |
| Ar tonelico II ~Sekai ni Hibiku Shoujo-tachi no Metafalica~ | 2007-10-10 | Composer | Shikata Akiko | "METHOD_IMPLANTA/.", "METHOD_METAFALICA/.", "METHOD_REPLEKIA/.", "EXEC_over.METHOD_SUBLIMATION/.~ee wassa sos yehar", "EXEC_over.METHOD_SUBLIMATION/.~omness chs ciel sos infel", "EXEC_over.METHOD_SUBLIMATION/.~lamenza" |
| Ar tonelico II ~Sekai ni Hibiku Shoujo-tachi no Metafalica~ | 2007-10-10 | Vocals | Shikata Akiko | OP "Utaoka ~Harmonics FRELIA~", INS "METHOD_REPLEKIA/." "METHOD_IMPLANTA/." "METHOD_METAFALICA/." "EXEC_over.METHOD_SUBLIMATION/.~lamenza" "EXEC_over.METHOD_SUBLIMATION/.~omness chs ciel sos infel" " EXEC_over.METHOD_SUBLIMATION/.~ee wassa sos yehar" |
| Ar tonelico II ~Sekai ni Hibiku Shoujo-tachi no Metafalica~ | 2007-10-10 | Staff | Shikata Akiko | Lyrics "EXEC_over.METHOD_SUBLIMATION/.~ee wassa sos yehar", "EXEC_over.METHOD_SUBLIMATION/.~omness chs ciel sos infel", "EXEC_over.METHOD_SUBLIMATION/.~lamenza", "METHOD_IMPLANTA/.", "METHOD_METAFALICA/.", "METHOD_REPLEKIA/." |
| Umineko no Naku Koro ni Chiru | 2009-08-15 | Composer | Shikata Akiko | Ep. 8 ???? ED "Byakumu no Mayu ~Ricordando il passato~", Ep. 8 ED "Umineko no Naku Koro ni" |
| Umineko no Naku Koro ni Chiru | 2009-08-15 | Vocals | Shikata Akiko | Ep. 8 True End, Ep. 8 ???? ED "Byakumu no Mayu ~Ricordando il passato~", Ep. 8 ED "Umineko no Naku Koro ni" |
| Umineko no Naku Koro ni Chiru | 2009-08-15 | Staff | Shikata Akiko | Ep. 8 ???? ED "Byakumu no Mayu ~Ricordando il passato~" lyrics |
| Ar Tonelico III ~Sekai Shuuen no Hikigane wa Shoujo no Uta ga Hiku~ | 2010-01-28 | Composer | Shikata Akiko | BGM, ED, Insert song "Ec Tisia ~ Tarifa", Saki ED composition, arrangement, lyrics |
| Ar Tonelico III ~Sekai Shuuen no Hikigane wa Shoujo no Uta ga Hiku~ | 2010-01-28 | Vocals | Shikata Akiko | OP "Utau Oka ~Harmonics TILIA~", Insert songs "Ec Tisia ~ Tarifa", "EXEC_EP=NOVA/.", "EXEC_FLIP_ARPHAGE/.", Saki ED "Toki no Suna", True ED "Ec Tisia" |
| Akaya Akashiya Ayakashino | 2011-05-03 | Composer | Shikata Akiko | Composition and Arrangement for OP "Aka Kakushi" |
| Akaya Akashiya Ayakashino | 2011-05-03 | Vocals | Shikata Akiko | OP "Aka Kakushi" |
| Akaya Akashiya Ayakashino | 2011-05-03 | Staff | Shikata Akiko | Lyrics for OP |
| Ciel Nosurge ~Ushinawareta Hoshi e Sasagu Uta~ | 2012-04-26 | Composer | Shikata Akiko | BGM, Insert song "ahih rei-yah", 3rd Chapter OP, 10th OP & Final OP composition, arrangement |
| Ciel Nosurge ~Ushinawareta Hoshi e Sasagu Uta~ | 2012-04-26 | Vocals | Shikata Akiko | 1st Chapter OP "Utanaki Oka e", Insert song "ahih rei-yah", 3rd OP "QuelI->{ein te hyme};", 10th OP "mei-fa-re koo-ja-i;", Final OP "Ra Ciel Fusor" |
| Ciel Nosurge ~Ushinawareta Hoshi e Sasagu Uta~ | 2012-04-26 | Staff | Shikata Akiko | Insert song "ahih rei-yah", 2nd Chapter OP, 10th OP & Final OP lyrics |
| Ar Nosurge ~Umareizuru Hoshi e Inoru Uta~ | 2014-03-06 | Composer | Shikata Akiko | OP arrangement, Ion ED, insert songs "Lxa ti-cia" & "Class: XIO_PROCEED" lyrics, composition & arrangement |
| Ar Nosurge ~Umareizuru Hoshi e Inoru Uta~ | 2014-03-06 | Vocals | Shikata Akiko | OP "Utanaki Oka e ~Harmonics Pre=Ciel~", Ion's cielns "Lxa ti-cia" "Class: CIEL_NOSURGE" "Class: XIO_PROCEED", Ion's hymn "Ra Ciel Reincarnation", Ion ED "Kono Sekai no Anata to, Ano Sekai no Anata e" |
| Ar Nosurge ~Umareizuru Hoshi e Inoru Uta~ | 2014-03-06 | Staff | Shikata Akiko | Lyrics "Lxa ti-cia", "Class: XIO_PROCEED", "Kono Sekai no Anata to, Ano Sekai no Anata e" & "Class: CIEL_NOSURGE" |
| Chronostacia | 2014-04-24 | Composer | Shikata Akiko | OP |
| Chronostacia | 2014-04-24 | Vocals | Shikata Akiko | OP "Kokugen no Rondo" |
| Cross Ange - Tenshi to Ryuu no Rondo tr. | 2015-05-28 | Composer | Shikata Akiko | Inserts |
| Cross Ange - Tenshi to Ryuu no Rondo tr. | 2015-05-28 | Vocals | Shikata Akiko | Inserts "Tenkou", "Villkiss ~Kakusei~" |
| Haitaka no Psychedelica | 2016-09-29 | Composer | Shikata Akiko | OP |
| Haitaka no Psychedelica | 2016-09-29 | Vocals | Shikata Akiko | OP "Haizora no Shizuku", Insert "Scarborough fair" |