Rule 34 Dev - animal_genitalia animal_penis anthro duo equine_genitalia equine_penis erection eyewear female genitals glasses hands_on_waist looking_back male male/female medial_ring on_lap penis shy sitting_on_lap smile smirk couldbestella marshall_(marshallhorsead) stella_o'kaya equid equine felid feline horse mammal|23278665025