Rule 34 Dev - 2017 3d anthro balls big_penis black_claws canine circumcised claws erection first_person_view fur grey_fur hi_res long_penis looking_at_viewer looking_down low-angle_view male male_only mammal muscular muscular_male nude pecs penis pink_penis simple_background solo spread_legs spreading submissive submissive_pov v--r wolf|2668532008