gelbooruhttps://xbooru.com/index.php?page=atom&tags=2boys animated skeleton bloodiesins blue blush blush brother brother/brother brother and brother brothers clothed cussing duo english text fontcest hoodie implied oral incest male male only moaning monochrome monster papyrus papyrus (undertale) papysans profanity sans sans (undertale) skeleton solo focus speech bubble swearing text text bubble undead undertale undertale (series) unseen male face white background yaoi2024-05-29T18:42:04Zgelbooru