Summary:

Nobara Sumiyoshi is a fifteen year old girl who likes playing volleyball. She cut her hair like a boy because she wanted to be different from her little sister Souka who everybody's likes. Her mother owns one of the best japanese restaurant called Seiryu and Nobara is supposed to inherit the family business after her graduation. But she doesn't want to become the owner of the restaurant and she decides to join the Benino school which has the best volleyball team. She is not going to give up even when she finds out about the end of the volleyball girl's team. Her mother wants her to stop playing so she decides to leave home and to start living in the volleyball boy's team dormitory where she has to work as a dorm's mother. Will she find a way to put together again the girl's team? Will her mother understand her wishes?