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Post #6970574
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Source
Artists
abosinsin
Characters
papyrus
papyrus (underfell)
papyrus au
sans
sans (underfell)
sans au
Copyrights
underfell
undertale
undertale (series)
undertale au
undertale fanfiction
Metadata
2d
alternate universe
comic
comic page
incest
Tags
2boys
animated skeleton
blush
brother
brothers
dialogue
ectopenis
erection
erection under clothes
gay
gay male
holding tongue
male
male only
motion lines
penis
red penis
skeleton
spikes
text
throbbing
veiny penis
yaoi