Busty female college student Rika is dating her classmate Kouki. The two were still in a pure relationship without even kissing. However, contrary to her appearance, Rika 'likes old men', and she felt her joy when she followed the workers at Koki's house with her eyes. One day, in her construction shop at Koki's house, Rika picked up her work clothes and smelled her. She picks up an electric massager that catches her eye and she indulges in masturbation. She was spotted by a worker who came back to see her...
