gelbooruhttps://xbooru.com/index.php?page=atom&tags=1boy 2010s 2015 2d 2d (artwork) animated skeleton artist name bad id bad tumblr id balls blue background blue blush blue eye blue penis blue testicles blue tongue blush bottom sans bound arms bound wrists chain chain leash chains collar cowboy shot digital media (artwork) drooling ectopenis ectotongue glowing eye male male only malesub monster naked noxiousaberration nude penis sans sans (undertale) simple background skeleton solo solo male submissive submissive male sweat testicles tied up tied wrists tongue tongue out uke sans undead undertale undertale (series) video games2024-05-13T09:16:37Zgelbooru