A few years after we got married, my mother-in-law suddenly came to live with us in Tokyo. It turned out she'd been scouted to be an underwear model and wanted to stay with us for a week. Naturally, my wife was strongly against it, so we ended up letting her stay to calm her down. That night, when I peeked into the lighted room, my mother-in-law, who hadn't given up on herself, was clad in lingerie. I was mesmerized by the sight of my mother-in-law, something I don't usually get to see. The next day, my mother-in-law, who had noticed me, came to me for advice...