The husband, who has started living with his wife's mother, Reo, in a two-generation household, accidentally peeks at Reo changing clothes, thinking that she has a sexy, fleshy body. He feels bad for his wife, but he can't help his Kokoro. The shapewear she wears to deal with middle-aged weight gain is tight, and her massive breasts and plump, meaty buttocks look like they're about to pop out at any moment. The husband is aroused by her body, which is bigger than he had imagined, and that night he waits patiently for an opportunity...