gelbooru https://xbooru.com/index.php?page=atom&tags=2010s 2018 2boys animated skeleton blindfold blindfolded blue tongue bondage bottom sans bound bound arms bound wrists brother brother/brother brother and brother brothers clothed clothed/nude clothing collar comic comic panel dominant duo ectopenis ectotongue english text fontcest imminent fellatio imminent oral incest lowest-of-dirt lowest of dirt male male/male male only monster naked nude orange penis papyrus papyrus (undertale) papysans partially colored penis sans sans (undertale) seme papyrus silhouette skeleton submissive text tied arms tied up tongue top papyrus uke sans undead undertale undertale (series) unzipping pants white background yandere yandere papyrus yaoi2024-05-12T22:57:52Zgelbooru

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