FURVERT!

2016 anatomically_correct anchee animal_genitalia animal_penis anus backsack balls bodily_fluids canid canine canine_genitalia canine_penis canis erection feral fur genital_fluids genitals grey_body grey_fur hi_res knot male mammal penis perineum precum presenting raised_tail rear_view sheath simple_background solo tail tail_anus wolf