Karate practitioner, social withdrawaler, delusinal wave girl, ikemen who speak about love... etc.
Mikahoshi acadamy is where many different type of ranking battles are crushing each other. Renya who trained martial art with his childhood friend Mizuki, heard that Mizuki was in coma, and he transfered to this school. Renya made vow that he will never going to fight because from his past trauma, that he had to run and run and run away from each challenge from ranker. Especially a girl named Sumire who has unique cheek that never let him go.