gelbooruhttps://xbooru.com/index.php?page=atom&tags=2018 animated skeleton blue blush blue eyes blue tongue bottom sans clothed headogs heart-shaped pupils heart eyes male monster orange penis penetration penis sans sans (undertale) sex skeleton solo focus submissive tongue tongue out uke sans undead undertale undertale (series)2024-05-09T22:53:54Zgelbooru