Rule 34 Dev - 2020 5_fingers 5_toes anthro ball_grab balls banding biped blue_eyes breasts castration clothing coyzoi detailed_background dominant dominant_female equid equine feet female fingers first_person_view friendship_is_magic genitals hasbro hat headgear headwear horse human humanoid_genitalia humanoid_penis imminent_castration kneeling looking_at_viewer lying male male_pov mammal medical_instrument medium_breasts my_little_pony navel nipples nude nude_anthro nude_female nude_human nude_male nurse nurse_clothing nurse_hat nurse_headwear nurse_redheart on_back penis pony pussy scalpel scientific_instrument submissive submissive_male surgical_instrument tail taker_pov testicular_cyanosis tied_balls toes white_body|13820882312