gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s animated skeleton bondage bottom sans bottomless bound wrists comic comic page eli-sin-g english text fontcest implied incest kneeling kolesjoie looking at viewer monster papysans sacrum lacing sans sans (undertale) sequence sequential skeleton solo submissive text tied up top-down bottom-up uke sans undead undertale undertale (series)2024-06-08T11:51:33Zgelbooru