gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2016 :3 animated skeleton blue glans blush cockotron dark background duo fire elemental fvdsfs grillby grillby (undertale) grillsans looking at another looking away male male focus monster orange body orange penis pants only penis penis out red background sans sans (undertale) sansby simple background skeleton solid color background solo focus sweat text topless topless male tumblr username undead undertale undertale (series) unzipped unzipped pants2024-05-14T00:00:20Zgelbooru