Mettaton (Undertome) FanFiction

Demonic Purities

Demonic Purities

F/F
F/M
G
Updated
13.04.2025
Fandom
Undertale (Video Game)
Characters
Chara (Undertale), Sans (Undertale), Papyrus (Undertale), Undyne (Undertale), Alphys (Undertale), Asriel Dreemurr, W. D. Gaster, Sans, Papyrus, Toriel (Undertale), Mettaton (Undertale), Frisk/Sans (Undertale),
Tags
Torture Violence No Smut undertale - Freeform Undertale AU Chara (Undertome) Asriel (Undertome) Asgore (Undertome) W. D. Gaster (Undertome) Sans (Undertome) Papyrus (Undertome) Mettaton (Undertome)
In a world where a curse has swept the land changing every monster into a demon. The humans scared, go to war with the demons and win, but barley. They now banish these demons into the Underground where they wait for any human to fall. The eighth hu...