"Eight years ago I nearly killed my sister because of my powers. Every year they grow in strength, so much so that I can't control them in any regard and have to be locked up here in my room, away from any contact outside of my parents. You call that simple?"
"Yes it is."
Loki thought he was alone in his abilities, until he met a special girl. Loki/Elsa AU. Oneshot. May be expanded later on.