My wife, Rika, has started working part-time at a nearby cafe. One day, while at work, she is approached by a persistent complainer and is about to be assaulted, but is saved by Nakano, a fellow part-timer. Since then, Rika has developed feelings for Nakano, and they eventually become physically involved. The next day, Rika begins to be treated like a sex slave. Unaware that it was all a set-up, she succumbs to abnormal pleasure, and is gang-raped and creampied by the other part-timers...