rule 34 2021 animal genitalia animal penis anubian jackal anubislivess balls black balls black body black fur black hair black nose bodily fluids canid canine canine penis canis cum digital media artwork ear piercing erection eyebrows fur genital fluids genitals hair hi res holding penis jackal knot looking at viewer lying male mammal nude on back on side penis piercing pink penis shiki kun baka solo teeth water yellow body yellow fur 4883474