Request - Sombra Heat

anus art big anus big butt black hair black mane black tail butt crown dialogue equine estrus grey body grey fur heat horse king sombra looking back male messy my little pony my little pony friendship is magic nsfw on front ponut pony presenting presenting anus presenting ass presenting hindquarters raised tail rear view regalia request shaking shivering solo solo male sweat text umbrum underhoof unicorn