Kageyama is suffering with depression from volleyball, Oikawa's bullying, and his parents being absent all the time. Kageyama then starts to become suicidal and Hinata plans to change all of that.

<COMPLETED> Happy. Hinata Shouyou was always an optimistic person. What he did surprised his whole team, made them drown in sadness. Kageyama didn't take it well, didn't take the fact that Hinata killed himself. No one could believe that.