Rule 34 Dev - anthro arun_six athletic athletic_anthro athletic_male big_penis bodily_fluids bulge canid canine canis clothing dog_tags domestic_dog genital_fluids genitals german_shepherd herding_dog hi_res male mammal muscular muscular_male nipples pastoral_dog pecs penis precum precum_through_clothing simple_background solo sweat underwear vein veiny_penis wet wet_clothing|9974535472