The main character, Machida, is the only guy in his school. He wasn’t originally the student there, but because of unknown reasons, his parents had to transfer his school. In the school, there was two gyaru girls who loves to sexually tease him so much. Their name is Rio and Mao. Rio is the long-haired blonde girl, and Mao is grey short-haired girl. One day Rio and Mao teased him so much that he got ejaculated. Noticed his excitement, Rio decided to take him to the infirmary. Irritated because being called with her family name, Rio told Machida to call her by her first name. She tease him even more in the infirmary where nobody can disturb them and Machida eventually falls to the succumbs.