I Love You, Nii-san!

Ryota Iwasaki

Ryo Kuroshio (voice)

Kiyomitsu Mizuuchi

Matsu (voice)

Takeharu Oonishi

Kenjiro Takoda (voice)

Takumi Asahina

Etsuji Kainuma (voice)

Kojiro Takahashi

Soichi Sunagawa (voice)

Kohei Matsumoto

Announcer (voice)