FURVERT!

2012 3:4 animal_genitalia animal_penis anthro balls biped black_border black_nose black_penis blue_eyes border canid canine canine_genitalia canine_penis countershading erection feet fox genitals grey_body hair hi_res hindpaw kneeling knot looking_at_viewer male mammal nude paws penis red_hair sheath short_hair sigma_x simple_background smile solo svix tail vein white_background