Private Shirasagi school where regular customer sports club of national athletic meeting becomes complete. The director Hamanaka Kouta of the baseball club that is small and weak in that, it was always being made fun of by the cheer part director Risa Serisawa.

A certain day, Kouta which was made a fool by Risa that it is not able to win one game against the regional preliminary, the promise that the body of Risa can be done as you like if the game is won. And the baseball club is also a victory in the strong school of last time championship said that it can never win, it exceed one round. The body of Risa becomes like Kouta's desire!