Rule 34 Dev - animal_genitalia animal_penis anthro balls blue_eyes canine_genitalia canine_penis erection fur genitals grey_body grey_fur hand_behind_head hand_on_chest knot looking_at_viewer male penis red_penis red_ribbon ribbons solo purrr-evil canid canine canis mammal wolf 2021 4:5 dated digital_media_(artwork) shaded soft_shading|13393140600