gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2015 2boys 2d 2d (artwork) animated skeleton digital media (artwork) duo fire elemental grabbing own penis grillby grillby (undertale) grillsans hand on hip ladybumtickler male male focus male only monster orange body penis penis out sans sans (undertale) sansby shirt up skeleton sniggysmut solo focus third-party source undead undertale undertale (series) video game character video games white background2024-05-13T11:10:33Zgelbooru