gelbooruhttps://xbooru.com/index.php?page=atom&tags=1boy 2d 2d (artwork) animated skeleton arm support biting clothes biting shirt blue blush blue penis blush bulge bulge under clothes digital media (artwork) doiduh ectopenis glowing glowing genitalia glowing penis looking up male male only malesub monster penis penis bulge penis peek precum sans sans (undertale) skeleton solo male submissive submissive male sweat undead undertale undertale (series) unknown source video games white background2024-05-14T20:37:11Zgelbooru