Saeko's husband brought a handsome, young colleague home for dinner. As she couldn't drink much, Saeko got drunk and her husband asked Ishimoto to take her to the room. Saeko mistook him for her husband and gave Ishimoto a passionate kiss. The next morning, Saeko's husband had to go on a business trip to Osaka for three whole days, leaving only Saeko and Ishimoto at home. Unable to resist Saeko's beauty, Ishimoto took this opportunity to win her over. Saeko gradually became captivated by the vigor of the young man and his skills, forgetting about her husband...