Osamu Nishi

Websites

Reference Websites

Discography

Devi-kyuu / Yu Serizawaデビきゅー / 芹澤優Devi-kyuu / Yu Serizawa

Devi-kyuu / Yu Serizawa [Limited Edition]デビきゅー / 芹澤優Devi-kyuu / Yu Serizawa [Limited Edition]

Devi-kyuu / Yu Serizawaデビきゅー / 芹澤優Devi-kyuu / Yu Serizawa

Mairimashita! IRUMA-KUN Music collection AKUMAX!!!魔入りました! 入間くんミュージックコレクション悪MAX!!!Mairimashita! IRUMA-KUN Music collection AKUMAX!!!

Welcome To Demon School! IRUMA-KUN Music collection AKUMAX!!! Vol.2魔入りました! 入間くんミュージックコレクション悪MAX!!! Vol.2Mairimashita! IRUMA-KUN Music collection AKUMAX!!! Vol.2

Yu Serizawa 2nd Live Tour 2021: Suki na Hito ga Iru dake de.Yu Serizawa 2nd Live Tour 2021 好きな人がいるだけで。Yu Serizawa 2nd Live Tour 2021: Suki na Hito ga Iru dake de.

YOUr No.1 / Yu SerizawaYOUr No.1 / 芹澤優YOUr No.1 / Yu Serizawa

Date	Catalog	Name	Roles
2019-11-27	EYCA-12752/B	Devi-kyuu / Yu Serizawaデビきゅー / 芹澤優Devi-kyuu / Yu Serizawa	Lyricist (as os.nishi)
2019-11-27	EYCA-12753	Devi-kyuu / Yu Serizawa [Limited Edition]デビきゅー / 芹澤優Devi-kyuu / Yu Serizawa [Limited Edition]	Lyricist (as os.nishi)
2019-11-27	EYCA-12754	Devi-kyuu / Yu Serizawaデビきゅー / 芹澤優Devi-kyuu / Yu Serizawa	Lyricist (as os.nishi)
2020-05-20	EYCA-12942	Mairimashita! IRUMA-KUN Music collection AKUMAX!!!魔入りました! 入間くんミュージックコレクション悪MAX!!!Mairimashita! IRUMA-KUN Music collection AKUMAX!!!	Lyricist (also as os.nishi)
2021-09-01	EYCA-13387	Welcome To Demon School! IRUMA-KUN Music collection AKUMAX!!! Vol.2魔入りました! 入間くんミュージックコレクション悪MAX!!! Vol.2Mairimashita! IRUMA-KUN Music collection AKUMAX!!! Vol.2	Lyricist
2022-04-20	EYXA-13717	Yu Serizawa 2nd Live Tour 2021: Suki na Hito ga Iru dake de.Yu Serizawa 2nd Live Tour 2021 好きな人がいるだけで。Yu Serizawa 2nd Live Tour 2021: Suki na Hito ga Iru dake de.	Lyricist (as os.nishi)
2022-10-05	EYCA-13826/B	YOUr No.1 / Yu SerizawaYOUr No.1 / 芹澤優YOUr No.1 / Yu Serizawa	Lyricist (as os.nishi)
2022-10-05	EYCA-13827	YOUr No.1 / Yu SerizawaYOUr No.1 / 芹澤優YOUr No.1 / Yu Serizawa	Lyricist (as os.nishi)