Full cast of Risqué Business: Japan

Shin Dong-yup

Self

6 episodes

Sung Si-kyung

Self

6 episodes

Yuna Ogura

Self

1 episode

Minami Aizawa

Self

1 episode

Mao Hamasaki

Self

1 episode

Ken Shimizu

Self

1 episode

Nomoto Yoshiaki

Self - CEO of Soft on Demand

1 episode

Ittetsu Suzuki

Self

1 episode

Koichi Matsumoto

Self - President of TENGA

1 episode