FURVERT!

2015 alpha_channel animal_genitalia animal_penis anthro balls black_body black_fur bladder_penetration canid canine canine_genitalia canine_penis canis digital_media_(artwork)erection fur genitals grey_body grey_fur hi_res knot longblueclaw looking_at_genitalia looking_at_own_penis looking_at_penis looking_at_self male mammal masturbation muscular muscular_anthro muscular_male open_mouth orange_body orange_eyes orange_fur pawpads paws penetration penis simple_background solo standing urethral urethral_masturbation urethral_penetration wolf