It’s a snowy day in Namimori, and Tsuna is reluctantly led to school by Reborn along with Lambo and I-Pin, who are in high spirits. To his surprise, his friends are there, willing to help pitch in and take care of the younger children.  But soon Reborn has plotted yet another competition, as the group is split up into two teams and a snowball fight begins. What started as innocent winter fun has turned into a battle for survival!
Don't they say that Japanese children love being out in the snow?
Heißt es nicht, dass es Kinder draußen
im Schnee mögen?
¿Los niños japoneses no eran
los niños de la nieve?
¿Los niños japoneses no eran
los niños de la nieve?
Não dizem que as crianças no 
Giappone gostam de ficar na neve?