Rule 34 Dev - american_opossum animal_genitalia animal_penis balls big_balls big_penis equine_genitalia equine_penis feet feral_solo genitals hi_res huge_balls huge_cock larru-larru looking_back male_only mammal marsupial penis prehensile_feet solo solo_male tail taur thick_tail toes transformation virginia_opossum|13267011792