Hibiki, a real estate office lady, is put in charge of a young couple who are looking for a place to live together. She has a gentle demeanor and a kind personality, and is well-liked by her customers, but in reality, she is a pretty nasty woman who has an affair with the customer's boyfriend. During the viewing, she seduces the boyfriend while he is not looking, and later calls the man herself, letting him insert his penis into her raw and even cum inside her...