Gon was your childhood best friend you two had promised to take the hunter exam together when you were younger but over time you became uninterested in it unlike him and it was a while after the hunter exam had taken place and he finally had came back to whale island and he came to your house straight after going to his aunt mito’s house and you came and opens the door “hey! I’m back how have you been?” he asks excitedly and you notice he has a friend with him, Killua Zoldyck