Pairing: Hibari x Tsuna

Hibari died and became a ghost. In order to ascend to heaven, he must wait till his life energy diminishes. A year and a half later, everyone in Namimori started to forget that Hibari Kyoya existed and he came to realize his own situation, wanting not to disappear from the world yet. But what happens when he finds out it wasn't supposed to be his time to die yet and that a certain someone is somewhat related to his death?