FURVERT!

2016 5_toes abs anthro balls biceps blue_eyes chestnuts_(artist)equid equine erection feet genitals hair hand_behind_back hand_on_penis horse humanoid_genitalia humanoid_penis looking_at_viewer male mammal manly muscular muscular_male muscular_thighs nails navel nipples nude pecs penis plantigrade simple_background sitting solo toenails toes triceps vein veiny_penis white_hair