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abs adastra adastra_(series)animal_genitalia animal_penis anthro anubian_jackal armor balls biceps black_body blue_eyes bodily_fluids canid canine canine_genitalia canine_penis canis claws echo_project erection facial_piercing genital_fluids genitals hi_res jackal knot male mammal muscular muscular_anthro muscular_male neferu_(adastra)nipples nose_piercing nose_ring nostril_ring pecs penis piercing precum ring_piercing shade_the_wolf sheath solo vambrace vein veiny_knot veiny_penis