rule 34 169 2020 3d artwork anthro areola artist name asriel dreemurr ass bell big areola big breasts big butt blush boss monster bovid breasts caprine cel shading christmas christmas clothing christmas headwear christmas tree clothing collar curvy figure cutie mark darkflash23 detailed background digital media artwork duo equid equine fan character female fingers fur gift girly gloves goat grey eyes hair handwear hasbro hat headgear headwear hi res holidays hourglass figure inside male malefemale mammal my little pony navel nipples nude pegasus plant pony red hair santa hat shaded smile source filmmaker teal eyes teeth thick thighs tree undertale undertale series video games voluptuous white body white fur white hair wide hips widescreen wings yellow body yellow fur 5400638