The so-called "real-life充实" Hashimoto was getting along well with the introverted Ryota for a reason. It was because he wanted to monopolize Ryota's mother, Mai. Her voluptuous body, even visible over her clothes... and her virtuous nature, contrary to her flashy appearance, stirred even darker emotions. One day, Hashimoto overheard Mai talking on the phone with her husband. It seemed that Mai was lonely because she rarely got to see her husband, who was busy with work. After hanging up the phone, Mai, unaware of Hashimoto's presence, began to comfort her own body...