gelbooruhttps://xbooru.com/index.php?page=atom&tags=1boy 1cuntboy 2010s 2017 animated skeleton begging to stop blue blush blue body blush bottom sans brother brother/brother brother and brother brother penetrating brother brothers clothed male comic comic page comic panel couch sex cuntboy cuntboysub dominant male dubious consent duo ectobody ectopenis ectopussy english text fontcest from front position gay glowing eye incest leg over shoulder male male/cuntboy male penetrating maledom missionary position monster onomatopoeia orange blush orange penis 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 speech bubble submissive cuntboy supermuuh text text bubble top papyrus uke sans undead undertale undertale (series) unzipped unzipped pants veiny penis yandere yandere papyrus yaoi2024-05-11T06:49:56Zgelbooru