One day at my house where I live with my wife, my mother-in-law suddenly came to Tokyo. He seems to have been scouted by an underwear model, and he seems to have jumped out of his parents' house to challenge. My wife and I decided to stay at home for a week to keep our mother cool. And that night, on the way to the bathroom, there was a noise from the room where my mother-in-law was. When I wondered something and looked into the room, my unskilled mother-in-law was wearing lingerie. I can't take my eyes off the bewitching expression and underwear of my mother-in-law that I shouldn't normally see ...