Be-kaku

Kanagawa Prefecture: the front lines of high school baseball. Jiro, a high schooler who plays baseball and is aiming for the high school baseball tournament at the Koshien Stadium, decides to enroll in the private Sagamiyurigaoka Academy - which has one of Kanagawa's top four teams. There, he finds that the man working as the coach keeps using the puzzling expression "baseball revolution". This is a story dedicated to all high schoolers who play baseball. This is YOUR story...!
Source: Shogakukan