"Shall we celebrate the successful business deal in our room?" Shoko, a wife who works as a managing director at the company her husband runs, is in charge of accounting and human resources, and is trusted by her employees and is doing well, but her husband spends his nights drinking at clubs, and their relationship seems like that of just business associates. Then, a fine 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. Then one day, when Shoko is sent on a business trip, she orders Saji to accompany her, saying that it will be a good experience for her. But it's not to train him, it's to satisfy her own pent-up desires...