Shinnosuke is a famous baseball player. Due to a scandal, he is temporarily suspended from playing. On this occasion, Shinnosuke returns to his hometown after a long time away. His parents welcome him joyfully, encourage and support him, helping improve Shinnosuke's mood to some extent. However, there is really nothing to do in the rural area, just lying in the scorching heat of summer all day. Just then, Shinnosuke meets Tsubasa, the wife of the neighbor next door. Tsubasa is a kind, beautiful woman with big breasts who doesn't wear a bra, making Shinnosuke unable to take his eyes off her! And especially, Tsubasa is not sexually satisfied! She also heard about Shinnosuke's scandal, knowing that he has a strong sexual desire, Tsubasa starts to seduce him, inviting him to have sex with her. Unable to resist such a beautiful woman like Tsubasa, even though he knows it's wrong, Shinnosuke still indulges in her body. When the parents are away, even when Tsubasa's husband is sleeping next to them, the two still come together, satisfying each other's sexual desires, driving away the boredom and heat in this rural area...