gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2016 2boys 2d 2d (artwork) alternate version available animated skeleton artist name big dom big dom small sub bigger dom bigger dom smaller sub bigger male bigger penetrating bigger penetrating smaller blue blush blue jacket blush bottom sans brother/brother brother and brother brother penetrating brother brothers clothed clothed sex digital media (artwork) drooling duo ectotongue english text fangs fontcest from behind from behind position gay gloves heart-shaped pupils heart eyes heart shaped pupils incest jacket laddinger larger male larger penetrating larger penetrating smaller male male/male male only male penetrated male penetrating male penetrating male onomatopoeia orange blush orange tongue outside papyrus papyrus (undertale) papysans penetration penetration from behind penetration through clothes public sex red gloves sans sans (undertale) seme papyrus sex sex from behind skeleton skeletons small sub small sub big dom smaller male smaller penetrated smaller sub smaller sub bigger dom stealth sex sweat text tongue top papyrus uke sans undead undertale undertale (series) video game character video games visible breath watermark yaoi2024-05-08T15:16:41Zgelbooru