FURVERT!

4_toes animal_genitalia animal_penis anthro big_tail biped black_body black_fur black_nose canid canine canine_genitalia canine_penis chest_tuft dipstick_tail erection eyes_closed feet fluffy fluffy_tail front_view fur genitals grey_body grey_fur head_tuft hi_res holding_knot holding_own_knot holding_own_penis holding_penis kneeling knot male mammal markings masturbation multicolored_body multicolored_fur multicolored_tail navel nude paperclip_(artist)penile penile_masturbation penis red_penis simple_background solo tail tail_markings teal_background toes tuft two-handed_masturbation white_body white_fur