gelbooruhttps://xbooru.com/index.php?page=atom&tags=alternate universe animated skeleton blue blush blue body chubby cock ring ectobody english text fan character fatsanssins gay grey background male male/male male only penis penis ring precum purple blush purple body sans sans (swapfell) sans (undertale) sans au sanscest selfcest simple background skeleton solid color background swapfell text tied up undertale undertale au video games yaoi2024-05-17T03:54:12Zgelbooru