Recently, a new student transferred to Kamiyama School. His appearance was that of an amateur, and his character also resembled a cowardly rabbit nerd. Because of this, from the very first day, the school bullies began to mock him, leaving many bruises on Tsukasa's body, among them was a bully named Rui, who was also a classmate and a student at the desk with whom Tsukasa sits.As soon as evening came, the hooligans locked Tsukasa and Rui in the same back room, the guy was scared because now he is defenseless. "Please don't hit me, Rui!"