Xbooru - 1boy 1cuntboy 2010s 2017 2d 2d (artwork) animated skeleton begging to stop blue blush blue body blush bottom sans broken glass brother brother/brother brother and brother brother penetrating brother brothers clothed clothed male comic comic page comic panel couch couch sex crying cuntboy cuntboy penetrated cuntboysub digital media (artwork) dominant male dubious consent duo ectobody ectopenis ectopussy ectotongue edit edited english text fontcest from front position glass glowing eye grabbing clothing holding glass incest large filesize leg over shoulder licking long image male male/cuntboy male only male penetrating male penetrating cuntboy maledom missionary position monster non-con non-consensual noncon nonconsensual onomatopoeia orange blush orange penis orange tongue pants around one leg papyrus papyrus (undertale) papysans penetration penis through fly pleading profanity pussy questionable consent rape sans sans (undertale) seme papyrus sequence sequential sex sex on couch skeleton sofa soul soul sex speech bubble submissive cuntboy supermuuh sweat talking tall image tears teleport text text bubble third-party edit top papyrus uke sans undead undertale undertale (series) unzipped unzipped pants veiny penis video games yandere yandere papyrus yaoi