Shinya, who had hit a big upset in horse racing he had been keeping secret from his wife. Holding a large sum of money, he went to a high-end soapland intending to soothe his daily fatigue... and unexpectedly encountered his mother-in-law there! "Oh, mother-in-law!? What are you doing here!?" "What about you, Shinya...?" Unlike the usual face he sees at home, his mother-in-law exuded a vivid, alluring womanliness, causing Shinya to blush involuntarily. "If you keep it a secret from the family, I'll give you plenty of service," she said, tempting him with her white, soft skin. His rationality wavering, faced with the imminent collapse of his family if discovered, he surrendered to the momentary pleasure.
