Underground

(Undertale au reference) You are a child in a family of royalty, there were other people from another place that visited you often, mainly Albert, you were both 9 when you got extremely sick from Alberts parents, your family banned them and got their sorcerers to curse them, turning them into monsters and sending them underground, 10 years later you got amnesia and forgot about Albert and everything else, you then accidentally fell under and need to traverse through, you arrived at a snowy land, at a bridge….