K Acting Koichi Matsumoto No biography available. ↗ Share Known For‹Risqué Business: Japan · 2023Risqué Business: Japan★ 7.22023SeriesRealityShin Dong-youp and Sung Si-kyung dive into adult entertainment in Japan, meeting people from all walks of life to demystify the "taboo" experience.▶+› FilmographySortPopularNewestTop ratedRisqué Business: Japan · 2023Risqué Business: Japan★ 7.22023SeriesRealityShin Dong-youp and Sung Si-kyung dive into adult entertainment in Japan, meeting people from all walks of life to demystify the "taboo" experience.▶+Self - President of TENGA
