FURVERT!

1:1 2017 abs animal_genitalia animal_penis anthro autofellatio balls biceps big_muscles big_penis biped black_border bodily_fluids border cross-hatching cum cum_in_mouth cum_in_own_mouth cum_in_self cum_inside cum_on_penis cum_on_self equid equine equine_genitalia equine_penis erection eyebrows front_view genital_fluids genitals grey_background greyscale half-closed_eyes hatching_(art)hi_res horse male mammal masturbation medial_ring monochrome muscular muscular_anthro muscular_male narrowed_eyes nipples nude obliques oral oral_masturbation oral_penetration pecs penetration penile penile_masturbation penis precum quads rov shaded shallow_penetration shane_manning signature simple_background sitting solo spread_legs spreading symmetry thick_eyebrows triceps