The ninth generation of Vongola gave the tenth generation of Vongola an unprecedented one-month holiday and asked him to go to the ruins of the first generation of Vongola to look for the first generation Boss "Giotto" A diary left behind, but it turned out that this diary brought the tenth generation of Clam (Vongola) Boss and his guardians as well as everyone in Varian to the 19th century. What left people speechless was: our dear tenth generation of Clam (Vongola) Sawada. Tsuna actually had a spark (falling in love) with his great-great-grandpa, the first-generation Clam (Vongola) [Guardian And Varian everyone: "No~~~ Tsunayoshi-chan is ours, ahhh~~~~~~~~~~"