Immutable Fact

Undertale (Video Game)
F/F
F/M
G
Immutable Fact
Characters
Sans (Undertale)/Reader, Sans (Undertale), Papyrus (Undertale), Undyne (Undertale), Toriel (Undertale), Asgore Dreemurr, Sans (Undertale)/Original Character(s)
Tags
will add tags as I go along monster hate Flirty Sans pun warning work with me here looking for editor
Summary
So we read all about the main characters who love and support Monster kind, but what about the other side of the picket line?! I am here to fix that problem, damnit!
Note
I have an ITCH, and it needs SCRATCHING

Chapters