The main character develops an obscene relationship with his classmate Ueda in exchange for money.

One day in the summer, when he became in a relationship with Ueda, the main character couldn't stand Ueda's sex appeal when he came to his house......
Ueda, a gal who is immersed in the main character's house for various reasons. I can't stand Ueda's body full of bursts and overflowing sex appeal... ☆ If you leak an erotic voice every time you poke it, the sperm won't ♪ stop You can't control your excitement in a lewd swimsuit that can't be hidden in many ways!