Junior high student Tsuna is a failure at school, sports and socializing. But when toddler assassin Reborn arrives to groom Tsuna for his future as a Mafia boss, Tsuna may have found the „magic bullet” he needs to turn his life around!
Yamamoto uses the Shigure Soen Ryu sword technique taught to him by his father to battle Superbi Squalo, who has beaten a Shigure Soen Ryu practitioner once before! Even though Squalo sees through his moves, Yamamoto refuses to lose faith in the technique and presses on. The question is, does he have any chance of winning?! Meanwhile, the identity of the person chosen to be Tsuna's Mist Guardian is finally revealed!