A refined lady, having tasted it once, falls into an illicit and addictive addiction. (Kurokawa Sumire, DASS-310)

Sumi has been married for five years. Because her husband no longer treats her like a woman, she unwittingly begins an affair with Yoichi. Sumi feels guilty about her actions, but each time she meets Yoichi, her feelings for him grow stronger. Although she repeatedly thinks, "I want to break up with him today," she is always drawn to Yoichi's gentleness and the pleasure of being treated like a female. Sumi gradually becomes deeply dependent on this relationship…