Katsu has nothing to live for. His father is an alcoholic that treats him like dirt, and his mother is constantly having affairs to escape her husband from abusing her. Katsu has only one escape himself - his badminton club in school. However, his first year in high school has just ended, and he has never scored a single point in any game, being called "Pointless" by his peers. He might just be the worst player in the world at the sport. Just when all seems lost, a shady business man confronts him, telling him that he could be the best badminton player in the world with a certain system they were working on. Katsu is looking for anyway of escape...