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 with joy, encourage and support him, helping to improve Shinnosuke's mood somewhat. But there is really nothing to do in the countryside, all day just lying in the scorching heat of summer. At this time, 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 look away! And especially, Tsubasa is not satisfied sexually! She heard about Shinnosuke's scandal, and after knowing that he also has a strong sexual desire and is good at sex, Tsubasa starts to seduce him, inviting him to have sex with her. Unable to resist a beautiful woman like Tsubasa, even though he knows it's wrong, Shinnosuke still indulges in her body. When the parents are absent, 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...