Kimichika Haijima returns to Monshiro Town after an incident in his old school in Suzuma City. He meets up with his childhood friend Yuni Kuroba. Yuni discovers that Haijima plays Volleyball, and he is a setter. Yuni who also plays volleyball starts to take the game seriously after Haijima reassembles the volleyball team. They decide to go to nationals. Yuni's older cousin stops him from getting involved with Haijima and reveals about the incident in his old school, where because of the pressure of a previous match a kid in the volleyball club attempted suicide and everyone thought it was Haijima's fault because he pressurized him to play better.