Rule 34 Dev - animal_genitalia animal_penis anthro black_nose blue_body blue_fur brown_eyes canine_genitalia canine_penis chest_tuft cutaway digitigrade erection fur genitals grey_pawpads hand_on_penis head_tuft knot leaning leaning_backward looking_at_genitalia looking_at_penis male markings masturbation nude pawpads penile penile_masturbation penis pink_penis red_penis red_tongue simple_background sitting solo tail thought_bubble tongue tongue_out transparent_background tuft white_body white_fur yellow_body yellow_fur yellow_markings crossybear canid canine canis mammal wolf 2017 alpha_channel digital_drawing_(artwork) digital_media_(artwork) full-length_portrait portrait shaded soft_shading|17638702340