Shin Dong-youp and Sung Si-kyung dive into adult entertainment in Japan, meeting people from all walks of life to demystify the "taboo" experience. Shin Dong-yup, Sung Si-kyung, Yuna Ogura, Minami Aizawa, Mao Hamasaki, Ken Shimizu, Nomoto Yoshiaki Added on Netflix 2023-04-26.