Satsuki Natsuya, the voluptuous and lustful stepmother, is an object of admiration for her son-in-law, Michiharu. He secretly lusts after her every day, indulging in covert voyeurism. One day, due to a careless accident caused by her husband, a bruise forms on Satsuki's breast. Deeply concerned, Michiharu resolves to treat it himself, but upon touching her, he loses control as her obscenely large tits are exposed. Overcome with desire, he aggressively begins to ravish her lush body. Though burdened with guilt toward her husband, Satsuki gives in to his passionate advances. #BangouchanP