FURVERT!

against_surface against_wall anthro anus backsack balls bottomless butt butt_pose clothed clothing ear_piercing fur genitals grey_body grey_fur hand_on_butt inviting looking_at_viewer looking_back male mammal murid murine nduli penis piercing pose presenting presenting_hindquarters raised_tail rat rodent solo spread_legs spreading tail thorn_(nduli)whiskers