椎 Directing 椎葉宏治 No biography available. ↗ Share Known For‹Professor Matsumoto's Proof of Laughter · 2025Professor Matsumoto's Proof of Laughter2025SeriesComedyProfessor Hitoshi Matsumoto and Associate Professor Eiji Kotoge perform various "experiments" about laughter.▶+› FilmographySortPopularNewestTop ratedProfessor Matsumoto's Proof of Laughter · 2025Professor Matsumoto's Proof of Laughter2025SeriesComedyProfessor Hitoshi Matsumoto and Associate Professor Eiji Kotoge perform various "experiments" about laughter.▶+Director
