Female high school student Fujimaru is absorbed in rigid baseball, as he goes to bed. Along with boys, only one girl member who is following the white ball every day. But I love baseball and I will not lose to anyone who wants to get better. I will also spare no effort. I do not even make it. Fujimaru is dedicating all of youth to baseball. As I repeatedly struck the wall, I suffered many times, and I went forward while struggling, I gradually changed around. Through life of baseball girl, inspirational work that depicts pleasure and suffering to follow dreams.