Xbooru - 1boy 1cuntboy 2010s 2016 2d 2d (artwork) ahegao animated skeleton artist name blue blush blue body blue tongue blush bodily fluids bottom sans bottomless bottomless cuntboy brother brother/brother brother and brother brother penetrating brother brothers brown background carrying carrying partner carrying position clothed clothing cuntboy cuntboy penetrated digital media (artwork) duo ectobody ectopenis ectoplasm ectopussy ectotongue english text fangs fontcest gasterass gradient legwear heart-shaped pupils incest legwear male male/cuntboy male penetrating male penetrating cuntboy monster nude orange body orange penis orange tongue orsnge blush papyrus papyrus (undertale) papysans penetration penis pleasure face profanity pussy sans sans (undertale) seme papyrus sex simple background sitting skeleton solid color background speech bubble stockings talking talking to another talking to partner text thighhighs tongue tongue out top papyrus topwear two-tone legwear two tone legwear uke sans undead undertale undertale (series) vaginal vaginal penetration vaginal sex video games yaoi