gelbooruhttps://xbooru.com/index.php?page=atom&tags=1boy 2010s 2015 2d 2d (artwork) ahegao animated skeleton arms behind back blue blush blue penis blue tongue blush bodily fluids bound arms chubby chubby male clothed clothing cum digital media (artwork) ectopenis erect penis erection fluids hands behind back heart heart eyes male male ahegao male only monochrome monster orgasm face overstimulation penis penis out pleasure face sans sans (undertale) sitting skeleton solo male spread legs suckmytrombone sweat sweater text tied arms tied up tongue tongue out undead undertale undertale (series) video games white background2024-05-12T00:44:48Zgelbooru