Katekyo Hitman Reborn: Sky's Snow

Vongola Famiglia was the most strongest and wealthiest famiglia in the world. Founded by the vongola primo and his guardians. But no one knows that vongola originally have two bosses. Due to an expected incident the famiglia was divided into two. Seperated and ever made contact due to that event.

Later on other boss established a famiglia that protect innocent people against the evil activities of Mafia.

Both famiglia became successful and passed through generation. Until one day the heir and the heiress of both famiglia meet due to certain sun and snow arcobaleno. Their whole world turn 360 degrees.