"Shall we celebrate the successful business deal in our room?" Shoko, a wife who works as the managing director of the company run by her husband, is in charge of accounting and human resources, trusted by the employees and doing well, but her husband spends his nights drinking at clubs and their relationship seems like that of just business colleagues. Then, a handsome young man named Saji joins the company as a new graduate. Saji is young, strong and has innocent eyes, and Shoko becomes aroused by him while training him, and secretly masturbates to him. Then, one day, when Shoko is sent on a business trip for a business meeting, she orders Saji to accompany her, saying it will be a good experience. But it's not to train him, it's to satisfy her own pent-up desires...