Kateikyoushi Hitman Reborn! s01e19
Titre original : 100% Accuracy? Ranking Everything
A small kid named Futa bumps into Tsuna. What Tsuna is not aware of is that Futa is a Mafia informant, whose "rankings" are 100% accurate, and this makes him a widely sought-after target, forcing Tsuna and the others to protect him.