Red Blue

Aoba Suzuki is a gloomy first-year high schooler who walks the path of a social outcast. Despite constantly being pulverized by his classmate Sannosuke Iwase under the pretense of "play-fighting", he was still satisfied with his school life. One day, Aoba gets rescued from his "play-fighting" by Kenshin Akazawa - a young man in the class next to his, and a superstar of the world of martial arts... But when Kenshin tells him, "You're completely hollow", Aoba wants to make him pay, and declares that he's going to give Kenshin a pounding. Thus begins the social outcast's new journey into sports as he tackles mixed martial arts!...