Tsuyoshi Aoki

as Dr. Flau (voice)

as Morisawa (voice)

as Math Teacher (voice)

as Black Shadow (voice)

as Thug B (voice)

as Skill-Out (voice)

as Dokuro Rengo Reader (voice)

as Inage (voice)

as Male MC (voice)

as Clerk (voice)

as Ryuuji's Grandfather (voice)

as Male Student C (voice)

as Cake Shop Manager (voice)

as Mathematics Teacher (voice)

as Ringo Katagiri (voice)