Ryota is staying with his aunt and uncle while he is attending a university in Tokyo. Although it is only for the time he is at university, he feels happy just being able to spend time with his aunt, his first love. However, the longer these happy days go by, the more he begins to feel unsatisfied. He wants to have more contact with his aunt, to have a closer relationship with her. Hungry for an unfulfilled desire, Ryota tries to masturbate with his aunt's freshly removed panties, but unfortunately, he is found by his aunt.