After school, I fell in love.

Natsuo, a high school girl with no individuality and nothing to devote herself to at school. One day, her brother, who is the coach of the boys' volleyball team, orders her to be the manager until she gets Kuze Nagisa to join the club. But Kuze-kun completely ignores Natsuo's invitation!? Then one day, she sees Kuze-kun practicing alone with a serious face...