FURVERT!

all_fours anus anus_focus balls big_anus big_balls big_butt bodily_fluids butt butt_focus dock_(anatomy)equid equine equine_anus feral genitals grey_background greyscale hand_on_butt hasbro hi_res hooves horse looking_at_viewer looking_back male mammal monochrome my_little_pony pony presenting presenting_anus presenting_balls puffy_anus raised_tail rear_view simple_background sketch sketch_page solo spread_anus spreading sweat sweaty_anus tail tail_anus tfwnocatgirlgf