histórias de Underfellgrillby

A bunch of Character X Reader oneshots and maybe a few two part stories of undertale, with all the undertale AUs. I'm Also adding preferences in now for some characters. Undertale, Underfell, Echotale, Swaptale, and etc, you can even request.

Underfell is a dark and dangerous place filled with murder in violence, and Sans and Papyrus are the pinochle of it all. So nobody would ever suspect Sans to come back after a lost bet. Maybe you haven't seen all of what's under Red's mask, huh? Request for