gelbooru https://xbooru.com/index.php?page=atom&tags=2010s 2boys animated skeleton blue blush blush brother brother/brother brother and brother brothers clothed comic duo ectotongue eli-sin-g english text fontcest kolesjoie licking male male only monster orange tongue papyrus papyrus (undertale) papysans prank sans sans (undertale) skeleton sweat text undead undertale undertale (series) yaoi2024-05-17T23:59:02Zgelbooru

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