Kochidai High School's principal and baseball team coach, Asakura Nantaro, was troubled. The opponent for the first round of the Koshien qualifiers had been decided: Gedou High School's baseball team, a lawless group of killers. Looking back three years ago, in a qualifying match for a ticket to Koshien against Gedou High School, Kochidai High suffered casualties of 5 dead, 3 critically injured, and 8 with serious to minor injuries. With no substitute players left, they had to forfeit the match and accept defeat. 　　 This year, the Kochidai High baseball team is determined to finally make it to Koshien. The principal and Megane, an enthusiastic first-year baseball club member, plan to recruit Yakyuu Juubee—who is both skilled at baseball and a strong fighter—into the team. They aim to field him as the leader of the "Fighting Baseball Warriors" against Gedou High School's baseball team, but...!?