gelbooruhttps://xbooru.com/index.php?page=atom&tags=2boys animated animated skeleton blue blush blue tongue brother and brother brothers clothed duo ectopenis fontcest fully clothed gif glowing penis incest loop male male/male male only monster orange penis pajamas papyrus papyrus (undertale) penis pleasure face sans sans (undertale) skeleton sweat sweating tongue out undead undertale undertale (series) yaoi2024-05-14T17:28:14Zgelbooru