Sumire has been married for five years now. She sometimes feels like her husband doesn't see her as a woman anymore, which led her to cheat on him with Yoichi, someone who still appreciates her femininity. Despite feeling guilty about betraying her husband, she can't help but grow fonder of Yoichi every time they meet. Even when she thinks she should end things today, she can't resist the comfort and pleasure of being treated like a woman by Yoichi. As their relationship continues, Sumire finds herself becoming increasingly dependent on this intimate connection...