gelbooruhttps://xbooru.com/index.php?page=atom&tags=1boy 1male animated skeleton blue blush blue penis blush clothed drooling ectopenis exposed penis hooded jacket hoodie jacket male male only monochrome monster penis sans sans (undertale) skeleton sleeping solo male undead undertale undertale (series) upside-down upside down zzz2024-05-11T23:55:43Zgelbooru