gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2boys animated skeleton blue blush blush bondage bottom sans bottomless bound wrists brother brother/brother brother and brother brothers comic comic page comic panel comic sans duo eli-sin-g english text fontcest implied incest kneel kolesjoie looking at viewer male male/male male only monster orange blush papyrus papyrus (font) papyrus (undertale) papysans pun sacrum lacing sans sans (undertale) sequence sequential skeleton submissive text tied up top-down bottom-up uke sans undead undertale undertale (series) yaoi2024-05-16T02:18:25Zgelbooru