Rule 34 Dev - 2010s 2017 2boys animated_skeleton bed bedroom blanket bottom_sans brother brother/brother brother_and_brother brothers clothed clothing comic comic_page comic_panel duo fontcest glowing glowing_genitalia incest indoors laying_on_bed lying_on_bed male male/male male_only monochrome on_bed papyrus papyrus_(undertale) papysans partially_colored sans sans_(undertale) seme_papyrus sequence sequential skeleton supermuuh top_papyrus uke_sans undead under_blanket undertale undertale_(series) unseen_male_face yaoi|1030638

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