Killua Zoldyck, The middle child of the famous family of assassins and Gon Freecss, A carefree kid who lived with his Aunt after his after his father left soon after he was born, met each other 6th grade year at Hunter middle. Now 3 years pass they lost contact until Killua reached out at the start of their 10th grade year with the help of mutual friends Kurapika Kurta and Leorio Paradinight. !Murder, Self harm, Sexual, Blood!