gelbooruhttps://xbooru.com/index.php?page=atom&tags=1boy animated skeleton artist request blue blush blush bondage bottom sans bound bound wrists clothed clothing looking at viewer male male focus malesub monster on bed partially colored pillow restrained restraints sans sans (undertale) simple background skeleton solo focus submissive submissive male sweat topwear uke sans undead undertale undertale (series) upper body white background2024-05-10T10:31:03Zgelbooru