Aki, a married woman, becomes a housekeeper for the moneylender Sagawa as a substitute for the 20 million yen debt her husband incurred. Under the condition of debt forgiveness, repayment negotiations begin through relentless nipple development and creampies...
Despite her shyness, she becomes completely naked, and her nipples are thoroughly developed through stimulation with cotton swabs and brushes. Through nipple harassment attacks using rotor sticks and suction toys, she experiences squirting orgasms from nipple stimulation alone. As the days pass, her resistance fades, and her body transforms into one that begs for more development, saying, "Please play with my nipples more." Eventually, dressed in erotic lingerie right in front of her husband, Aki herself kneads her sensitized nipples and demands raw cheating sex...
