gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2018 2boys animated skeleton blue blush blue tongue bottom sans brother/brother brothers clothed dominant pov duo ectotongue fontcest gay gloves grabbing hand grabbing mouth hooded jacket hoodie incest jacket male male/male male only male pov monster papyrus papyrus (undertale) papysans pov sans sans (undertale) seme papyrus simple background skeleton solo focus submissive top papyrus uke sans undead undertale undertale (series) upper body veah-3sin yaoi2024-05-15T01:50:07Zgelbooru