You were the only child they took with because they wanted someone to grow up on planet earth and you were chosen, Haruo as assigned to take care of you and teach you how to survive even though out of everyone there you actually had the best survival skills, you always followed him where ever he went which he found adorable but kept it to himself, right now you were following him around with Metphies

Metphies: Aww look at you with your own mini self~ Haruo: Yeah she's my mini me no one else's