In fear of the same thing repeating in high school, Cia transferred to Shiratorizawa with a lot of changes on who she really is. Of course, her brother Oikawa Toru on the opposition but he can't do anything about it. As the talk of the school, one day meeting the victorious volleyball team of Shiratorizawa after helping out Goshiki. And now she was non the less have anymore choice but to be convinced as the manager of the team.