山口雄大

Ryo Kaido / Younger Shinya

Yuki Mitsunaga

Natsuo Mikami (Ryo's boyfriend) / Akira Iida (Shinya's lover)

Kazuma Akabane

Sugita, manager

八ッ橋さい子

Rena, groupie

Lemon Sugiura

Yoshie, Natsuo's girlfriend

吉行由実

Suzuki

樹かず

Shinya Kaido