Mother-in-law suddenly arrived. Her appearance was so beautiful, so alluring, it felt like stepping into a dream. After dinner, she headed to the bath. Seizing the moment, I told my wife I wanted to do it now, but she was already passed out drunk. Glancing toward my mother-in-law's room, I noticed clothes left out as if someone had just changed. Overcome by impulse, I grabbed her lingerie, sniffed it deeply, and began touching myself. At that moment, mother-in-law emerged from the bath and caught me in the act…