A young teenager, Rin Okkotsu, after the tragic death of his parents swallows the eye of Loki in a desperate attempt to keep it from a spirit. Loki then reincarnates into his body giving him tremendous abilities, but that also makes him a target for other spirits who want this power. He is taken to the Evolites Academy, a school for people with special abilities like him. But his presence there only starts something unimaginable which could lead to Ragnarok.