gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2015 2d 2d (artwork) animated skeleton artist name bad id bad tumblr id blue background blue tongue bottom sans chain chain leash chains collar digital media (artwork) ectotongue male monster noxiousaberration sans sans (undertale) simple background skeleton submissive submissive male tongue tongue out uke sans undead undertale undertale (series) upper body video games2024-05-15T01:32:54Zgelbooru