Takumi Tsumura is a first-year high school student whose father was a big star in the baseball world. He didn't want to be compared to his father, so he decided not to join the baseball team in high school. But... he loves baseball as much as his dad! I almost gave up on baseball once. Takumi decides to join the baseball club with the aim of participating in Koshien? Takumi is given a position that does not match his ability by the baseball club manager, Rina, as ``pitcher, number four, and captain,'' but he tries his best...!?