After losing her husband, Yuuna lives under the protection of her father-in-law. One day, an inspector from the city hall visits. He examines her thoroughly and casts a shadow over her. In exchange, he demands a physical relationship... Mirei's husband's colleague tells her that she was involved in an embezzlement case. In exchange for reporting to the company, he demands that she abide by her chastity... And Yukine pours out her twisted love for her twisted son, who spies on her couple's lovemaking. Will she resent the sexuality she has been burdened with? Or will she give in to the pleasure...?