Kageyama never was friendly with anyone, except for Koemi Asako! She was a genius like him but she never got to play in any games because she never liked playing with girls but when she got on the boys team, she only got to participate in practises and only one match... The one with the small spiker. As she goes to the same school as him, they meet one of their rivals.... Hinata Shouyou!
-I'm going to follow the manga plot-