Xbooruhttps://xbooru.com/index.php?page=atom&tags=2boys 2d 2d (artwork) after penetration after sex ahegao anal animated skeleton arm support ass ass grab bad id bad tumblr id bigger penetrating blue blush blue hoodie blue jacket blue tongue blush bone bottom on top bottom sans bottomless brother brother/brother brother and brother brothers clothed clothed male clothed sex clothing cum cum leaking cum trail digital media (artwork) drooling duo ectopenis ectoplasm ectotongue erection facing another fontcest fully clothed fully clothed male genital fluids genitals gloves heart heart-shaped pupils heart eyes hooded jacket hoodie humanoid humanoid penis incest intraspecies jacket kneel kneeling larger penetrating larger penetrating smaller looking at another looking at partner male male/male male ahegao male only male penetrating mastery position monster monster boy open mouth orange blush orange penis panting papyrus papyrus (undertale) papysans partially clothed penis penis through clothing power bottom red gloves sans sans (undertale) seme papyrus sex sibling incest siblings sitting skeleton smaller penetrated spoopy-gaster straddling submissive top sweat third-party source tongue tongue out top papyrus uke sans undead undertale undertale (series) video game character video games visible breath white background yaoi2024-10-19T07:30:59ZXbooru