A quiet bookworm, Momoko Momoyama is a second grade girl at Sakuragi senior high school. One day she met Hideki Oshima by an accident and fell in love at first sight. He was the ace pitcher of baseball club. Many girls in the school fixed their eyes on him. Momoko also tried to draw his attention in many ways but they were end up in vain. So she joined the cheering squad to express her support on him. But soon she came to know the squad was on the verge of being abolished.