gelbooruhttps://xbooru.com/index.php?page=atom&tags=1boy 2d 2d (artwork) animated skeleton bound bound wrists clothed digital media (artwork) ectotongue hooded jacket hoodie jacket male monster sans sans (undertale) simple background skeleton submissive tied up tied wrists tongue tongue out undead undertale undertale (series) unknown artist unknown source video games2024-05-15T18:48:57Zgelbooru