Sakura Ranfa is a straightforward girl who will point out the idiocy of people as she sees it and is not afraid to tell people what she feels about it. Her right-in-your-face attitude is not everybody's cup of tea and she's often mistaken for being nasty, especially with the girls.
When the girl's tennis club captain refuse to let her join the club, Ranfa decides to become the manager of the boy's tennis club to rub the female captain's face in.
It sounds like a dream come true but the reality is far from a dream! The boys don't make her job easy at all! Despite her uneasy job, she finds herself enjoying tennis with them...