这部动漫讲述了国见比吕，橘英雄，野田敦三人从上初中开始就是从小玩到大的朋友，三人在同一支棒球队，而且三人都是这支棒球队的主力，由于在一次旧伤当中由于蒙古大夫的误诊，导致国见比吕和野田敦上了一所没有棒球部的高中，而作为组建棒球队的首要条件就需要他们和当地的进球队亚军双方进行比赛

然而意外的是这支球队的亚军竟然是橘英雄所在的棒球队，雨宫雅铃是国见比吕小时候的青梅竹马的朋友，双方在初中时便成为了一对恋人，而在高中时国见比吕发现自己喜欢的雨宫雅铃和以前有了不一样的感觉，然而具体是哪里不对又无法用言语表达，双方在一起经历许多挫折之后，终于成立了棒球社并开始实现自己的棒球梦想。国见比吕跟春华之间的感情也在成立棒球部之日益增加，然而四人的感情却是错综复杂。

This anime tells the story of Kunimi Hiro, Tachibana Hero, and Noda Atsushi who have been friends since they were in junior high school. In the same baseball team, and all three of them are the main players of this baseball team, because of an old injury due to a misdiagnosis by a Mongolian doctor, Kunimi Hiro and Noda Atsushi went to a high school without a baseball club, and as The first condition for forming a baseball team requires them to compete with the local runner-up teams

However, the surprise is that the runner-up of this team turned out to be the baseball team where Hero Tachibana belongs. Lu's childhood sweetheart friends, the two became a couple in junior high school, and Kunimi Hiro found that his favorite Amamiya Masuzu had a different feeling from before when he was in high school, but he couldn't tell what was wrong. Expressed in words, after experiencing many setbacks together, the two parties finally established a baseball club and began to realize their baseball dreams. The relationship between Kunimi Hiro and Chunhua is also increasing after the establishment of the baseball club, but the relationship between the four is complicated.