Shinnosuke is a famous baseball player. Due to a scandal, he has been temporarily suspended from competition. During this time, Shinnosuke returns to his hometown after a long absence. His parents warmly welcome him, encouraging and supporting him, which helps improve Shinnosuke's mood a little. However, the countryside really has nothing to do, and all he can do all day is lie around and sleep in the sweltering summer heat. Just at this moment, Shinnosuke meets Tsubasa, the wife of the neighbor next door. Tsubasa is a kind, beautiful woman with large breasts who doesn’t wear a bra, making it hard for Shinnosuke to take his eyes off her! And especially, Tsubasa is sexually unfulfilled! She also hears rumors about Shinnosuke's scandal, and after learning that he has a very strong sex drive and is very good in bed, Tsubasa begins to seduce him, inviting him to have sex with her. Unable to resist a beautiful girl like Tsubasa, even knowing it's wrong, Shinnosuke immerses himself in her body. When the parents are away, even when Tsubasa's parents and husband are sleeping next to them, the two still seek each other out, satisfying each other's sexual desires, dispelling the boredom and heat in this rural area...