gelbooruhttps://xbooru.com/index.php?page=atom&tags=1boy 2010s 2015 2d 2d (artwork) animated skeleton ball gag bdsm blush bottom sans bound bound wrists collar collar and leash digital media (artwork) drooling fangs heart-shaped pupils heart eyes heart shaped pupils leash leash and collar male male only monster noxiousaberration restrained restraints sans sans (undertale) skeleton solo solo male submissive tongue tongue out uke sans undead undertale undertale (series) video games2024-05-08T12:41:52Zgelbooru