When Two Fates Interlace {Sans x Reader}

(Book two of When Two Souls Collide {Sans x Reader}.) With the barrier broken, the monsters were freed from the Underground. (Y/N) (L/N) was their savior, a... well, human isn't the right word. She was once human, but not anymore. After death, (Y/N) became a monster. She doesn't mind it, but what will the humans think?