Shinichi is hospitalized for a month after a motorcycle accident. However, by chance, he is taken to the hospital where his aunt Eriko works... Shinichi is so nervous about Eriko's kind and beautiful nursing that he has not been able to masturbate for 10 days. He is constantly erect and can't control himself, so he finally asks Eriko to satisfy his sexual needs. Hesitating, he satisfies his nephew with his hand for his cute nephew's sake... However, Eriko cannot get the erect penis she has not seen in a long time out of her head. Then Shinichi comes to ask for sexual satisfaction again...