gelbooruhttps://xbooru.com/index.php?page=atom&tags=animated skeleton black background blue blush blue eyes blush bondage bottom sans bound wrists handcuffed handcuffs heart eyes heki (artist) looking at viewer miss60250 nude sacrum lacing sans sans (undertale) skeleton sweat thread uke sans undead undertale undertale (series)2024-05-11T07:49:03Zgelbooru