FURVERT!

against_surface against_wall amber_eyes animal_genitalia animal_penis anthro anus backsack balls big_balls blond_tail blonde_hair butt dock_(anatomy)equid equine equine_anus equine_genitalia equine_penis furrowed_eyebrows genitals grey_body hair hands_on_wall hi_res inside jaimiel long_hair looking_at_viewer looking_back looking_back_at_viewer male mammal medial_ring narrowed_eyes penis perineum pouting presenting presenting_hindquarters puffy_anus raised_tail rear_view solo standing tail thick_penis vein veiny_penis wall_(structure)wood wood_wall