The Dreamer The Lonely One And The Kind Human (Dream Sanses X reader X Nightmare

Rune is found without any sort of id and is saved from abandonment by another human kid named Frisk and monster kind, Rune unlike most humans has come to be raised by monsters .

her friend Chara tells her about the monsters and how humans locked them away in the mountains Rune finds that humans from the past are mean and the their story of how Frisk saved monsters makes only to trap them in an unending time loop but latter Chara stops Frisk from her genocidal spree.
Rune want to befriend monsters all the more that is until Rune discovers she has a strange power to see someone else's misfortune in her dreams and who they always hold a message to stop something bad but then finds out that she is infact a mage but is that really what she is?

Well with magic that's stranger than most and knows nothing about this magic only she can use then Rune latter finds that there is something watching her and when she falls into a coma then she meets two little skeletons who need her help but can she help them but then makes lot's of friends and Many enemy's.

Can Rune even discover what her purpose is in the multiverse and protect those dear to her or will she lose those she has befriended?