Based on Asa Higuchi's manga. Ren Mihashi was the ace pitcher in his middle school's baseball team. The team hated him, convinced he got the position because his grandfather and that his lousy playing was the reason they always lost. On graduating, Mihashi transfers to Nishiura high school with plans of quitting baseball but ends up dragged into baseball team by the coach. With new teammates to boost his confidence and help hone his skills, Mihashi's luck turns around.