Princess of the Underground (Gaster!Sans x Female Reader)

[Y/N] lived with her adoptive mother Toriel for a while. How long is that? About three years. Throughout the time, the monsters in the Ruins know her as if they were her siblings. Flowey became way nicer each day around her, losing his soulless behavior. He cares about her so much he promise to protect her. All was...

Chat Logs | Sans x Reader

Sans and Alex happen to meet trough a chatbox. What will be the outcome when two completely different people become more than friends? This is an actual slow burn holy shit

Northern Downpour (Underfell Sans x Reader)

(Y/n) goes to Mt. Ebbot in search of her brother Frisk. But what she finds instead amazes her.