You are the smartest student in your school, all the teachers like you. You're good at almost all subjects, you have many friends. But one day there was someone who rivaled you who made you so angry.

Claire Vivian is that person. Previously you would get the first rank in your school, but this year Claire suddenly rivaled you, she got the first rank and you second. You're so pissed off that you declared that you would hostile to her. But you discovered Claire's deepest secret, she's a man.