Three years after marrying her ex-colleague husband, Yuka lives happily in a company housing apartment. One day, her husband asks her to entertain a big client. During her entertainment, her drunken clients lay their hands on Yuka, and her husband, who is furious with her relentless sexual harassment, ends up injuring her. Yuka goes to her former boss and her partner's house to apologize, but she is ordered to wash her body and is made to handle her sexuality. Moreover, if she lacks sincerity, she will be SEX trained by her ex and her boss. But her apology doesn't end there...
