Rule 34 Dev - 2009 abs anal anal_sex anatomy anthro anus ass balls biceps bite black black_fur black_hair black_nose black_penis black_skin canine claws close-up closed closed_eyes cowgirl_position cum cum_in_ass cum_inside cum_on_ass cum_on_balls cum_on_penis cum_string cumshot equine fur furry gay grasp green_background grey_fur hair holding horse horsecock long_hair male manly muscles nipples no_humans nude on_top open_mouth orgasm pecs penetration penis plain_background presenting presenting_hindquarters red_hair red_penis rov sex shadow sharp_teeth shiny sitting size_difference spread_legs spreading teeth tongue tongue_out white_fur white_nose wolf|1407731952