rule 34 2010s 2017 2boys alternate universe animated skeleton artist name blue eyes blush brothers cum cum in pussy cumming ectopenis ectoplasm english text gay heki artist looking down lowres male male only orange penis outside papyrus au sans sans au skeleton squirting text underswap underswap papyrus underswap sans undertale undertale au undertale fanfiction unseen male face 6117716
![](https://rule34hq.com/image/getz97qc.jpg)
Rule34
imageboard
2010s
2017
2boys
alternate universe
animated skeleton
artist name
blue eyes
blush
brothers
cum
cum in pussy
cumming
ectopenis
ectoplasm
english text
gay
heki (artist)
incest
looking down
lowres
male
male only
orange penis
outside
papyrus au
sans
sans au
skeleton
squirting
text
underswap
underswap papyrus
underswap sans
undertale
undertale au
undertale fanfiction
unseen male face