FURVERT!

abdominal_bulge anal anal_penetration animal_genitalia animal_penis anthro athletic athletic_male ball_gag balls bodily_fluids equine_genitalia equine_penis gag genital_fluids genitals grey_background hybrid longblueclaw male monochrome muscular muscular_male nipple_piercing nipples penetration penis piercing precum sex_toy simple_background solo tail urethral urethral_bulge urethral_penetration