The main character of the series is Ren Mihashi, a nervous high school student who is passionate about pitching. At the start of the series, he takes up attendance at Nishiura High School and becomes the pitcher for the school's newly formed baseball team. As the series progresses, Mihashi develops strong friendships with his team-mates, most notably with the catcher, Takaya Abe, whom he holds in high esteem. The team quickly develops an ambition to go to Koshien, the finals of the summer baseball tournament, and competes with several other baseball teams to this end. __TOC__