READ PLAESE OR YOU'LL NOT UNDERSTAND ANYTHING

Killua is with a team on a mission on getting the identity of the phantom troupe members his team is only three people HIM,a doctor layorio,and a blonde hair male full of rage cause they killed his family and took there money and valuables.what happens when killua meets the youngest group member and the son of the leader of the troupe chrollo (yes I'm making gin the son of Chollo)ENJOY