FURVERT!

animal_genitalia animal_penis duo equid equine equine_genitalia equine_penis erection female female_penetrated feral feral_on_feral from_behind_position genitals horse larger_male male male/female male_penetrating male_penetrating_female mammal monochrome mounting nude penetration penile penile_penetration penis penis_in_vagina raised_tail sex simple_background size_difference sketch smaller_female smaller_penetrated surprised tail tim_o'rourke toony vaginal vaginal_penetration white_background