If these 2 families meet... They would have a blast.
killua and the younger brother bonding like- i can already imagine that friendship ε=ε=(ノ≧∇≦)ノ
lol
I think that Illumi and the dad would be best friends hahahahaah... Lets throw Hisoka there as well and we have the best assassins that even heroes will have a hard time defeating hahahaha
If these 2 families meet... They would have a blast.