FURVERT!

4:3 anthro backsack balls blue_eyes blue_seam_briefs blue_seam_underwear briefs canid canine canis clothing colored_seam_underwear fudatsu full-length_portrait fur genitals grey_body grey_fur hi_res legs_up looking_at_viewer looking_back looking_back_at_viewer lying male mammal on_front perineum portrait raised_tail simple_background solo spread_legs spreading tail three-quarter_view underwear underwear_around_ankles white_briefs white_clothing white_underwear wolf zach_the_wolf