Royal Cielo

Vongola is a royal and Mafia family. Nono steps down and crowns Tsuna as the Royal Vongola Decimo. Some families don't like this but there is only one family that takes action. In a fight with another Famiglia Tsuna loses his memories of his past and can only remember three things. His somewhat name. Italian. And Japanese. And whats worse Tsuna has gone MISSING! Read and find out what happens to Tsuna and his guardians. How will they defeat the enemy family?
First KHR! Fanfic!
DISCLAIMER! : I DO NOT OWN KATEKYO HITMAN REBORN!