Hinata and Kageyama have evolved from enemies in middle school to now be playing on the same team. Their current relationship is a setter and his spiker, nothing more, nothing less. That is, until they both decide they want to make the most of their relationship.

Hanahaki Byou; a disease where flowers grow in the heart and lungs originated in eastern Asia, a disease of unrequited love. If the feelings are not returned, the person who has this disease shall literally die of a broken heart... Keith was a young kid when he received this disease because of how his family treated him. The day he received the disease, he had left his father and family for good, receiving surgery to remove it. Since then, Keith has been moving home to home to try to get rid of close relationships. That is, until Lance McClain comes into his life. and things take an unexpected turn.