He born like any other "normal" child of his kind, just a little baby parasite and hold in the hands of his father Kanashi, his childhood was good, he grow up like any other kid, learning and adapting to the world, but after the S I N E R S start to mess around they two life, making Asahi mind start to forgot memories and mostly force Kanashi put that collar on his own son, when things go out of hand, Kanashi force Asahi to run away, to run as much as possible to find a safe place, as long is away from the S I N E R S and from him

After a accident, he fall from a clift but survive, sadly this mess his mind, taking the S I N E R S who follow this chance to fully mess wit his mind, errasing any memory he have for just mere fun, as he walk in the forest not even remember who he was, other wesens, as never see someone like hi before and was a easy pray they start to attacking him, forcing Asahi to always keeping running and hiding, eventually founding human civilization and accidently shocking by a group of human, who kindly try to help him due they can noticed Asahi was not ok, due Asahi cant remember his name, only a vage remember starts with A, the group of human guessed was "Aiden" the name was looking for, now being call as Aiden, after the humans try to help but the wesens follow him, he try to protect them but as he reveal himself exposing his parasite parts, the humans saw him like a monster and run away, now aiden alone he thought was lost again, lucky, the only friendly wesen, who was investigating all this chaos was his happening, give his hand to Aiden, to help him out and both figure out, who is he