After several years of marriage, my mother-in-law suddenly came to Tokyo to visit us. Upon hearing her story, she had been scouted as a lingerie model and asked if she could stay with us for a week. Naturally, my wife was strongly opposed, but we decided to let her stay to calm her down. That night, when I peeked into the lit room, I saw my mother-in-law, unable to give up, wearing lingerie. I was mesmerized by the sight of my mother-in-law, which I normally wouldn't see. The next day, my mother-in-law, who had noticed me, approached me with a certain proposal...