FURVERT!

abs absurd_res animal_genitalia animal_penis anthro balls big_balls big_muscles big_nipples big_penis equid equine equine_genitalia equine_penis genitals greyscale hi_res hooves horse huge_balls huge_muscles huge_penis hyper hyper_balls hyper_genitalia hyper_muscles hyper_penis male mammal monochrome muscular muscular_anthro muscular_male nipples penis solo uniparasite vein