gelbooruhttps://xbooru.com/index.php?page=atom&tags=2018 animated skeleton blue blush blue eyes blue tongue bondage bottom sans bound arms bound legs duplicate headogs heart-shaped pupils heart eyes looking at viewer monster naked nude sans sans (undertale) sex skeleton solo submissive tied up tongue tongue out uke sans undead undertale undertale (series)2024-05-12T21:39:23Zgelbooru