Babybones (Undertale) FanFiction

The Discovery

The Discovery

F/F
F/M
G
Updated
11.04.2025
Fandom
Undertale (Video Game)
Characters
Original Undertale Character(s), Sans (Undertale)/Reader, Alphys/Undyne (Undertale), Sans (Undertale), Papyrus (Undertale), Undyne (Undertale), Alphys (Undertale)
Tags
Alternate Universe - Underfell (Undertale) Babybones (Undertale)
Little one shot for the Babybones universe! Alphys and Undyne make a discovery