gelbooruhttps://xbooru.com/index.php?page=atom&tags=2010s 2016 2boys 2d 2d (artwork) animated skeleton blue tongue bottom sans brother brother/brother brother and brother brothers clothed comic comic panel comic sans digital media (artwork) duo ectopenis ectotongue edit edited english text fellatio fellatio pov fontcest hand on another's head incest long image male male/male male only male pov monochrome orange penis papyrus papyrus (font) papyrus (undertale) papysans partially colored penis penis out pov sans sans (undertale) seme papyrus sequence sequential skeleton sucking penis talking tall image text third-party edit tombone-jack tomis-jb tongue top papyrus uke sans undead undertale undertale (series) video games yaoi2024-05-15T03:46:31Zgelbooru