Rule 34 Dev - 2018 4_toes 5_fingers animal_genitalia animal_penis anthro biceps black_fur blue_fur blue_penis blue_tongue canine canine_penis erection frenum_ladder frenum_piercing fur furry genital_piercing green_fur kihu male male_only malihus mammal multicolored_fur muscular muscular_male navel nipples nude pecs penis penis_piercing piercing precum simple_background solo spiral_eyes standing testicles toes tongue tongue_out towel white_background wolf|3174627672