gelbooruhttps://xbooru.com/index.php?page=atom&tags=1boy 2d 2d (artwork) animated skeleton blue blush blush bottom sans closed mouth digital media (artwork) drooling english text fangs low res lowres male male focus male only malesub monochrome monster partially colored sans sans (undertale) simple background singingsans skeleton solo male submissive submissive male text third-party source uke sans undead undertale undertale (series) video games2024-05-15T02:59:07Zgelbooru