You were from a famous assessin family just like Killua.

You were walking around, searching for a new target to kill,when you encounter a kid with white hair,looking at a dead body with his hand full of blood,it looked like he killed the person.

You approach him to ask him if he did that but ended up being attacked,but with your professional assessin reflexes,you quickly dodged it and jumped back,you both kinda had a connection when your eyes met,you immediately knew he was from the Zoldick Family and he immediately knew you were from the (Insert your assessin family name) Family.

He stared at you for a bit and then smirked,his hands in his pockets "You aren't like other kids." He said as he kicked the dead body's head and walked towards you. "What's your name?"