Rule 34 Dev - 2021 4_toes abs absurd_res animal_genitalia animal_penis anthro areola balls biceps biped black_body black_fur blue_eyes canid canine canine_genitalia canine_penis canis chest_tattoo claws colored deca digitigrade erection feet finger_claws fingers front_view frown full-length_portrait fullbodywolf fur genitals grey_body grey_fur hand_on_belly hi_res humanoid_hands knot knotted_penis looking_down male mammal multicolored_body multicolored_fur muscular muscular_anthro muscular_male nipples nude_anthro nude_male outline pecs penis pink_body pink_fur portrait quads sheath signature simple_background solo tail tattoo toe_claws toes white_body white_fur white_outline wolf|13492045008