Mikawa Nao is assigned to go on a business trip with an ugly, ungrateful boss, someone she just wants to stay away from. Unfortunately for her, there is only one room left here, so she has to share with him. She didn't know that he had been targeting her for a long time and this was the perfect opportunity for him to carry out his plan. He secretly put sleeping pills in her wine and raped her. whores her. He also took pictures of the two having sex to threaten her, forcing her to serve his sexual needs all night until the next morning...