OKKA

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Personal Websites

Discography

Evilz?Evilz?Evilz?

EvilzEvilzEvilz

Nazokake Kanten謎掛閑店Nazokake Kanten

Nightmare OperaNightmare OperaNightmare Opera

Kissa Riddle喫茶りどるKissa Riddle

Gothika 2 ~Otogi Kageroukan~ / Yura HatsukiGothika 2 ~御伽影牢館~ / 葉月ゆらGothika 2 ~Otogi Kageroukan~ / Yura Hatsuki

BABELBABELBABEL

Doyokitan童妖奇譚Doyokitan

Noctis Memoria Accoustic Arrangeノクトメモリア Accoustic ArrangeNoctis Memoria Accoustic Arrange

Gothika III / Yura HatsukiGothika III / 葉月ゆらGothika III / Yura Hatsuki

Confetti Retrotica金平糖レトロチカConfetti Retrotica

Candy×IceきゃんでぃっちゅCandy×Ice

Nazokake Alice謎掛アリスNazokake Alice

Dark Matter / Yura HatsukiDark Matter / 葉月ゆらDark Matter / Yura Hatsuki

Halloween Night ParadeHalloween Night ParadeHalloween Night Parade

Secret de Chat Noir / Yura HatsukiSecret de Chat Noir / 葉月ゆらSecret de Chat Noir / Yura Hatsuki

ABCAS CHRONICLEABCAS CHRONICLEABCAS CHRONICLE

Shadows ~Kageiro Yousei Ehon~ / Yura HatsukiShadows ~影色妖精絵本~ / 葉月ゆらShadows ~Kageiro Yousei Ehon~ / Yura Hatsuki

SpookidsスプーキッズSpookids

Emerald Alice / Yura HatsukiEmerald Alice / 葉月ゆらEmerald Alice / Yura Hatsuki

FairiA ~Gensou Yousei Ehon~ / Yura HatsukiFairiA ~幻想妖精絵本~ / 葉月ゆらFairiA ~Gensou Yousei Ehon~ / Yura Hatsuki

WHITE PRINCESS / Yura HatsukiWHITE PRINCESS / 葉月ゆらWHITE PRINCESS / Yura Hatsuki

ASTRO=FILMSASTRO=FILMSASTRO=FILMS

Mirage Dolls / Yura HatsukiMirage Dolls / 葉月ゆらMirage Dolls / Yura Hatsuki

KIRMESKIRMESKIRMES

Fluorite / Yura HatsukiFluorite / 葉月ゆらFluorite / Yura Hatsuki

ABCAS CHRONICLE-season2-ABCAS CHRONICLE-season2-ABCAS CHRONICLE-season2-

Memory-Go-RoundMemory-Go-RoundMemory-Go-Round

Baby Romantica / Nakuru Aitsuki × MamekoBaby Romantica / 藍月なくる × まめこBaby Romantica / Nakuru Aitsuki × Mameko

Witchcraft / Yura HatsukiWitchcraft / 葉月ゆらWitchcraft / Yura Hatsuki

Memories of a TownMemories of a TownMemories of a Town

Rewrite 10th memorial Arrange Album: ForestiaRewrite 10th memorial Arrange Album: ForestiaRewrite 10th memorial Arrange Album: Forestia

Eclipse / Flare RuneEclipse / Flare RuneEclipse / Flare Rune

Little Goody Two Shoes Original SoundtrackLittle Goody Two Shoes Original SoundtrackLittle Goody Two Shoes Original Soundtrack

Rakuen Aufheben / BΣretta Crossrain楽厭アウフヘーベン / BΣretta CrossrainRakuen Aufheben / BΣretta Crossrain

Mokke no JumonもっけのじゅもんMokke no Jumon

Higoromo no Gensou Kuuhaku no Shoujo緋衣の幻想空白の少女Higoromo no Gensou Kuuhaku no Shoujo

P.S. Wait for me in Lighthouse Town.追伸、灯台の街で待っていてP.S. Wait for me in Lighthouse Town.

Nichiyoubi no Trampoline / Shizuka no Umi de Machiawase日曜日のトランポリン / 静かの海で待ち合わせNichiyoubi no Trampoline / Shizuka no Umi de Machiawase

Watashi hoshii noわたしほしいのWatashi hoshii no

Date	Catalog	Name	Roles
2009-05-05	MMKCD-00	Evilz?Evilz?Evilz?	Composer
2009-10-11	MKCD-001	EvilzEvilzEvilz	Music
2010-05-05	ACCD-0011	Nazokake Kanten謎掛閑店Nazokake Kanten	Composer Arranger
2010-05-05	MKCD-02	Nightmare OperaNightmare OperaNightmare Opera	Music
2011-05-01	ACCD-0012	Kissa Riddle喫茶りどるKissa Riddle	Composer Arranger Mixing Engineer
2011-08-13	HATU-013	Gothika 2 ~Otogi Kageroukan~ / Yura HatsukiGothika 2 ~御伽影牢館~ / 葉月ゆらGothika 2 ~Otogi Kageroukan~ / Yura Hatsuki	Composer Arranger
2012-10-28	HOCD-001	BABELBABELBABEL	Composer (as Okka) Sound Producer (as Okka) Arranger (as Okka)
2013-08-12	ACCD-0018	Doyokitan童妖奇譚Doyokitan	Composer Arranger Mixing Engineer
2013-12-31	ACCD-0021	Noctis Memoria Accoustic Arrangeノクトメモリア Accoustic ArrangeNoctis Memoria Accoustic Arrange	Composer
2013-12-31	HATU-018	Gothika III / Yura HatsukiGothika III / 葉月ゆらGothika III / Yura Hatsuki	Composer Arranger
2014-08-17	ACCD-0022	Confetti Retrotica金平糖レトロチカConfetti Retrotica	Arranger
2014-08-17	SBCD-05	Candy×IceきゃんでぃっちゅCandy×Ice	Composer Arranger
2014-12-30	ACCD-0023	Nazokake Alice謎掛アリスNazokake Alice	Composer Arranger Mixing Engineer
2015-04-26	HATU-020	Dark Matter / Yura HatsukiDark Matter / 葉月ゆらDark Matter / Yura Hatsuki	Composer Arranger
2015-10-25	ACCD-0025	Halloween Night ParadeHalloween Night ParadeHalloween Night Parade	Composer Mixing Engineer Arranger
2015-10-25	HATU-021	Secret de Chat Noir / Yura HatsukiSecret de Chat Noir / 葉月ゆらSecret de Chat Noir / Yura Hatsuki	Composer Arranger
2016-08-14	ACCD-0029	ABCAS CHRONICLEABCAS CHRONICLEABCAS CHRONICLE	Composer Arranger Mixing Engineer
2016-08-14	HATU-025	Shadows ~Kageiro Yousei Ehon~ / Yura HatsukiShadows ~影色妖精絵本~ / 葉月ゆらShadows ~Kageiro Yousei Ehon~ / Yura Hatsuki	Composer Arranger
2016-10-30	SBCD-09	SpookidsスプーキッズSpookids	Composer Arranger
2016-12-31	HATU-027	Emerald Alice / Yura HatsukiEmerald Alice / 葉月ゆらEmerald Alice / Yura Hatsuki	Composer Arranger
2017-08-11	HATU-031	FairiA ~Gensou Yousei Ehon~ / Yura HatsukiFairiA ~幻想妖精絵本~ / 葉月ゆらFairiA ~Gensou Yousei Ehon~ / Yura Hatsuki	Composer Arranger
2017-12-29	HATU-034	WHITE PRINCESS / Yura HatsukiWHITE PRINCESS / 葉月ゆらWHITE PRINCESS / Yura Hatsuki	Composer Arranger
2018-08-10	ACCD-0034	ASTRO=FILMSASTRO=FILMSASTRO=FILMS	Composer Arranger
2019-04-28	HATU-040	Mirage Dolls / Yura HatsukiMirage Dolls / 葉月ゆらMirage Dolls / Yura Hatsuki	Composer Arranger
2019-10-27	ACCD-0038	KIRMESKIRMESKIRMES	Composer Arranger
2019-12-31	HATU-043	Fluorite / Yura HatsukiFluorite / 葉月ゆらFluorite / Yura Hatsuki	Composer Arranger
2020-03-01	ACCD-0039	ABCAS CHRONICLE-season2-ABCAS CHRONICLE-season2-ABCAS CHRONICLE-season2-	Composer Arranger
2020-05-05	CFCD-0022	Memory-Go-RoundMemory-Go-RoundMemory-Go-Round	Composer
2020-10-25	N/A	Baby Romantica / Nakuru Aitsuki × MamekoBaby Romantica / 藍月なくる × まめこBaby Romantica / Nakuru Aitsuki × Mameko	Composer
2021-04-25	HATU-048	Witchcraft / Yura HatsukiWitchcraft / 葉月ゆらWitchcraft / Yura Hatsuki	Composer Arranger
2021-08-07	NHCD-0003	Memories of a TownMemories of a TownMemories of a Town	Arranger
2021-12-18	KSLA-0188	Rewrite 10th memorial Arrange Album: ForestiaRewrite 10th memorial Arrange Album: ForestiaRewrite 10th memorial Arrange Album: Forestia	Arranger
2023-04-30	FRVT-01	Eclipse / Flare RuneEclipse / Flare RuneEclipse / Flare Rune	Music
2023-10-31	N/A	Little Goody Two Shoes Original SoundtrackLittle Goody Two Shoes Original SoundtrackLittle Goody Two Shoes Original Soundtrack	Music
2024-04-28	BCCD-0003	Rakuen Aufheben / BΣretta Crossrain楽厭アウフヘーベン / BΣretta CrossrainRakuen Aufheben / BΣretta Crossrain	Composer
2024-04-28	BDCD-03	Mokke no JumonもっけのじゅもんMokke no Jumon	Design Composer Mixing Engineer Lyricist Arranger Production
2024-10-27	CACD-0001	Higoromo no Gensou Kuuhaku no Shoujo緋衣の幻想空白の少女Higoromo no Gensou Kuuhaku no Shoujo	Composer Arranger
2024-10-27	LPCD-0009	P.S. Wait for me in Lighthouse Town.追伸、灯台の街で待っていてP.S. Wait for me in Lighthouse Town.	Music
2025-04-27	N/A	Nichiyoubi no Trampoline / Shizuka no Umi de Machiawase日曜日のトランポリン / 静かの海で待ち合わせNichiyoubi no Trampoline / Shizuka no Umi de Machiawase	Illustrator Composer Arranger
2025-10-26	N/A	Watashi hoshii noわたしほしいのWatashi hoshii no	Design Music Mixing Engineer