gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2017 ??? animated skeleton blue blush blush bottom sans clothed crying drooling looking down low res lowres monochrome monster peng2 (artist) peng2 undertale (artist) sans sans (undertale) skeleton solo spoken question mark submissive sweat tears uke sans undead undertale undertale (series)2024-05-10T16:49:11Zgelbooru