Tobio Kageyama and Hinata Shoyo are childhood sweethearts, they join the Karasuno volleyball team and then they graduated high school after few years. Kageyama joined Adlers and Hinata joined MSBY, Kageyama proposed to Hinata and Hinata said yes to him, their lives were perfect but one day Kageyama passed out in the middle of the game and he find out that he had a cancer. He tried to break up with Hinata but Hinata didn't give up on him and never leave him. Hinata stayed right by Kageyama's side until Kageyama's last breath. Hinata cried and cried because he miss Kageyama a lot. At the funeral of Kageyama, Hinata fainted due of lack of sleep and he didn't eat anything since Kageyama passed away. Kenma and others convinced Hinata to rest and eat something but Hinata didn't want to because he want to be with his fiancee for the last time. Their friends are worried about him and his health too. Hinata make himself miserable. He distant himself away from his friends and even his family are worried about him. After few weeks Kageyama visited him in his dream to convinced Hinata to forgot about him because he's already dead bur Hinata can't.