Xbooru - 2010s 2018 2boys 2d 2d (artwork) animated skeleton bed bedroom blue blush blue tongue blush bottom sans brother brother/brother brother and brother brothers chinese text clothed comic digital media (artwork) duo ectotongue edit edited fontcest gay incest indoors interlocked fingers intertwined fingers intraspecies long image making out male male/male male only monochrome monster monster boy multiple images on bed orange blush orange tongue papyrus papyrus (undertale) papysans partially colored saliva trail sans sans (undertale) seme papyrus sibling incest siblings skeleton tall image text text bubble third-party edit top papyrus tumblr uke sans undead undertale undertale (series) veah-3sin video games yaoi | 1026131

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2010s 2018 2boys 2d 2d_(artwork) animated_skeleton bed bedroom blue_blush blue_tongue blush bottom_sans brother brother/brother brother_and_brother brothers chinese_text clothed comic digital_media_(artwork) duo ectotongue edit edited fontcest gay incest indoors interlocked_fingers intertwined_fingers intraspecies long_image making_out male male/male male_only monochrome monster monster_boy multiple_images on_bed orange_blush orange_tongue papyrus papyrus_(undertale) papysans partially_colored saliva_trail sans sans_(undertale) seme_papyrus sibling_incest siblings skeleton tall_image text text_bubble third-party_edit top_papyrus tumblr uke_sans undead undertale undertale_(series) veah-3sin video_games yaoi

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