Red Blue

Aoba Suzuki is a gloomy, physically weak first-year high-school student who has spent most of his life in the shadows. After being casually dismissed by celebrated fighting prodigy Kenshin Akazawa, Aoba becomes obsessed with landing a single punch on him. He joins the struggling Shark Gym and enters the world of mixed martial arts, where his analytical mind, stubbornness and talent for grappling begin to transform him into a dangerous competitor.