Rule 34 Dev - animal_genitalia animal_penis anus backsack balls barn black_fur brown_fur brown_hair equine erection from_behind_position fur green_eyes hair hay horse horseballs horsecock inside looking_at_viewer male male_only mammal open_mouth penis perineum presenting rini-chan sex smile solo the_lusty_stallion vyktor_dreygo white_fur|2407197552