FURVERT!

alphacanislupus anthro anus ass_up black_body black_claws black_fur blue_anus blue_body blue_eyes blue_fur blue_hair blue_knot blue_pawpads blue_penis blue_tongue butt canid canine claws erection ertonhin fur genitals hair hi_res knot male mammal pawpads penis perineum raised_tail solo tail tail_anus tongue tongue_out white_body white_fur