leeffi: recently i’ve been thinking about underfell sans a lot (you can thank @underfart-snas for that), so i figured i should take another stab at drawing my version of him.
tags: So many OTPs, Underfell,Sans,
from: https://eikuuhyo.tumblr.com/post/140187486331
more here tumblr.freepornpreview.net/eikuuhyo