During summer vacation, Erina, a female college student, is returning home. Erina, who was drenched in sweat from the heat, discovered that the bathtub in her house was not working, and according to her mother's recommendation, she went to the old man's house behind to rent a bathtub. The old man, annoyed by the sexy growth of Erina, who came back after a long time, could not suppress the strong desire that arose for the first time in decades and attacked Erina with her momentum . And in the countryside like that, if there's a bit of gossip, mothers won't be able to go out and take advantage of their sister's weaknesses.
