FURVERT!

4k 9:16 absurd_res anatomically_correct anatomically_correct_genitalia animal_genitalia animal_penis anthro balls black_body black_fur bodily_fluids border_collie breath canid canine canine_genitalia canine_penis canis collie detached_sheath domestic_dog dripping fluffy fur genital_fluids genitals green_eyes herding_dog hi_res male mammal masturbation musk panting pastoral_dog penis precum precum_drip precum_string realistic_penis_size sheath sheath_tuft sheepdog simple_background skuru skuru_(character)solo standing white_body white_fur white_sheath