gelbooruhttps://xbooru.com/index.php?page=atom&tags=! 13thcatofthegate 2010s 2018 2boys 2males after penetration after sex animated skeleton bigger male blue blush blush brothers clothed clothing comic comic page comic panel comic sans duo english text fontcest hugging incest larger male male male/male male only monster orange blush papyrus papyrus (undertale) papysans partially colored sans sans (undertale) sequence sequential shorter male skeleton sleeping sleeping nude sleeping together smaller male speech bubble spoken exclamation mark spoken exclamation point taller male text text bubble undead undertale undertale (series) yaoi zzz2024-05-11T21:56:02Zgelbooru