Grillby Regular(s) (Undertale) FanFiction

Mark me, Burn me, make me yours.

Mark me, Burn me, make me yours.

F/F
F/M
M/M
G
Updated
13.04.2025
Fandom
Undertale (Video Game)
Characters
Frisk (Undertale), Sans (Undertale), Papyrus (Undertale), Toriel (Undertale), Grillby (Undertale), Sans/Toriel (Undertale), Undyne/Alphys, Grillby/Original Character, Grillby Regular(s) (Undertale)
Tags
Soulmates Soulmate-Identifying Marks New style for me First attempt at soulmate au purely indulgent This is me putting off writing my other stories Cause I'm a terrible person
It wasn't that Grillby didn't appreciate having a soul mark. Not everyone got one after all. The very first words your soulmate would say to you, tattooed somewhere on your body. They appeared when your soulmate was born. The older of the pair would...