Yuka, who has been married to her husband who was a former colleague for three years and lives happily in a condominium in a company house, one day is asked by her husband to entertain a big client. During the entertainment, drunk clients reach out to Yuka, and her husband, who has been relentlessly sexually harassed, injures him. Yuka goes to apologize to her ex-boss and the other party's house, but she is ordered to serve as a body wash and even has sex treatment. Moreover, if the sincerity was not enough, the former boss was also trained in SEX. However, the apology does not end there ...