Hakomine Academy of the prestigious local school which also has participated in the national competition of baseball. In the first year student Inami Saki is interested in the game she happens to watch, she becomes a manager of the baseball club.

Nozomi of senpai manager who is friendly and helpful, and refreshing baseball club members. Every day of youth with the teammate who starts hereafter is expected, though Saki that makes the chest dance...

[it is a manager to take care for anything so that members are in a perfect state]

Having waited there, the tradition of sweat and lust.