Saeko's husband brought a handsome, young colleague home for dinner. Unable to drink much, Saeko got drunk, and her husband asked Ishimoto to take her to the bedroom. Thinking it was her husband, Saeko passionately kissed Ishimoto. The next morning, Saeko's husband had to go on a business trip to Osaka for 3 days, leaving Saeko and Ishimoto alone in the house. Unable to resist Saeko's beauty, Ishimoto took advantage of the opportunity to seduce her. Saeko gradually succumbed to the young man's charm and skills, forgetting about her husband.