Underfell Sans X Readerby Jasminesegaya2901!!!NO LEMONS!!! Read the story to find out :)undertalesansunderfellalphys+13 more Undertale One-Shotsby Jessie130K2.1K13Also available on Quotev, (https://www.quotev.com/story/7318911/Undertale-One-Shots) on All of them (if not, most) are Reader X (Undertale Character/AU Character)errorsanssanspacifist+17 more