FURVERT!

2d_animation 5:4 abs animal_genitalia animal_penis animated animated_gif anthro balls biped bodily_fluids bouncing_balls equid equine equine_genitalia equine_penis erection frame_by_frame genital_fluids genitals grey_background hair hand_on_head hand_on_hip hooves horse klongi long_hair looking_at_viewer male mammal monochrome muscular muscular_anthro muscular_male navel nipples nude pecs penis precum seductive short_playtime simple_background sketch smile solo thrusting vein