FURVERT!

2013 after_sex all_fours anthro anus ass_up australian_shepherd backsack balls bent_over big_butt biped bodily_fluids brown_nose butt canid canine canis chest_tuft collar cum cum_in_ass cum_inside digital_media_(artwork)domestic_dog erection feet foreskin fur genital_fluids genitals grey_hair hair herding_dog hi_res humanoid_genitalia humanoid_penis inviting looking_at_viewer looking_back looking_through looking_through_legs male mammal mustachemutt nude open_mouth partially_retracted_foreskin pastoral_dog pawpads paws penis perineum playful pose precum presenting presenting_hindquarters raised_tail shaded shawn_mackenzie sheepdog simple_background solo spread_legs spreading tail thick_thighs tuft white_body white_fur