FURVERT!

1:1 animal_genitalia animal_penis anthro balls canid canine canine_genitalia canine_penis canis digital_media_(artwork)erection frenum_ladder frenum_piercing genital_piercing genitals hi_res knot ladder_piercing male mammal muscular muscular_anthro muscular_male nude penis penis_piercing piercing simple_background solo white_background wolf