The Koide family finally buys their dream house. However, her husband is so absorbed in work that he doesn't pay her any attention, and Aiko, who is shy and can't get along with her neighbors, is at a loss. But with the help of the neighborhood association president, Okada, she slowly begins to get used to the place... But just then, Okada, who has his eye on Aiko's beauty, takes advantage of her kindness and forcefully pushes her down. Aiko resists, but her body is throbbing with loneliness and she can't resist and accepts...