Yukiko (Kami Yuki), who lives peacefully with her husband, accidentally runs into a female friend on the street. The friend's boyfriend is a masseur. Yukiko casually receives an oil massage and experiences multiple orgasms from the intense pleasure. To experience pleasure again, Yukiko swears to obey the masseur's commands. As she undergoes perverted training, Yukiko becomes addicted to pleasure, committing sinful acts while becoming more beautiful.
