They were just kids. Born into a position that no one would have wished for, they decided to make the best out of a bad situation, and joined in their common cause, they found something special.
Each other.
So chara is a ghost who also happens to be dating frisk...welp accidental soul sex happens and now they have two kids to take care of named chisk and frara even though their still kids themselves and all in all chara is gonna have a bad time.
Murder!sans was hated by everyone, all AUs, everyone in his own AU. But what happens when he meets a cute, forgiving skeleton, who will risk his life to make him smile again...