Rule 34 Dev - american_opossum animated anthro big_muscles big_penis comic duo equid equine genitals giraffe giraffid growth hi_res horse huge_cock huge_muscles hyper hyper_genitalia hyper_muscles hyper_pecs hyper_penis knocking long_penis male mammal marsupial muscle_growth muscular penis proxol_(artist) text virginia_opossum|9825012616