The Girl That Time Forgot (Gaster!Sans x fem Reader)

You know nothing about your past so your trying to have the best present ever. It's been 3 years since humans and monsters lived together, you started working in a place called Grillby's, it was a great restaurant you loved working there . Your live couldn't get better BBBUUUTT then war started, humans didn't want to live with monsters and monsters didn't wanted to live with humans, but there were monsters and humans who didn't give a damn. You wanted to end the war by your own hands. In your way to peace you find your past and meet new freinds. Will you be able to bring peace?!