zNSFW

I'm Undertail

The Shopkeeper
Monster Kid
Looks like Frisk isn't going to get the true pacifist ending.
oh boy by freeanimalz (sans)
Teach Me, Toriel (by Kotetsu Rexen) (Herm content)
Cleavage
Sexy Papyrus in the nude
I'm surprised this hasn't been posted yet. My favorite Temmie picture!
Fukufire getting rammed [OC]
more Sans bonin' himself
Asriel Kiss
Cute Butt
Undyne; 3D Lewdyne; Amazing art by Wo!262
Goat Dad
How to Draw Hands - Boss Monster Edition
Teatime with Muffet (oc)
Which one of you was this
Papyrus x Undyne (Not A Shitpost version)
Toriel, Yoshi, and Lucario - a completely necessary and obvious pairing [By darkmirage
Vulkin making someone erupt
POST MORE CHARA!!!
Toriel took the wrong turn in the ruins.
Muffet w/ dirt(?)
God of Hyperbacksack [Arashidrgn]
Ten Years Is Not Enough! (Undertale X Virtua Fighter) - Scrambles
Alphys, Mettaton, and Frisk threesome (Cumbread)

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