as Ryu Narutaki
as Kenji Shiratori
as Takashi Kami
as Nakagawa
as Souhaku
as Akitsu Mutsumi / "Mucchi" | Akitsu Masahiko
as Yoshimichi Sasaki
as Self
as Takuji Kida
as Takuya Sudo
as Hajime Oda
as Fahrenheit
as Erutaka Kaerugawa (voice)
as Socho
as Shota Sakamoto