Prologue
All members of the baseball club is on a 2-day summer training camp.
In a camp site situated in countryside, they practice baseball in daytime
and have dinner and meeting at night in order to train both body and mind.
But a problem is that only a single room is provided for them, which means
even a manager girl has to sleep in a same room with male trainees.
"Hurry up guys! Put your uniform on and gather in the playing ground!!"
Without having a much time to rest, trainees go to the playing ground soon...
* Manager
Name: Mana Yamagishi
A baseball enthusiast girl. Diligent and steady personality.
Having a boyfriend but extraordinary chaste as she won't
even hold man's hand until marriage. A virgin of course.