Far Naru Koshien Run! Sky

Shizuka Ozora, an alumnus, is assigned as a Japanese language teacher at Boai High School, where unruly delinquents gather. On his first day in office, he declares to Yamahiko, the leader of the delinquent group Demon Rain and former ace of the baseball team who had picked a fight with him, that he will restart the disbanded baseball club and aim for Koshien.