Koizumi Kosaku
- Nationality
- Japanese
- Birthday
About
Koizumi Kosaku is a Japanese artist managed by Stardust Promotion and serves as a member of the idol group Genin wa Jibun ni aru.
Koizumi Kosaku is a Japanese artist managed by Stardust Promotion and serves as a member of the idol group Genin wa Jibun ni aru.