FURVERT!

4:3 animal_genitalia animal_penis anus balls black_bars blue_eyes blush butt canid canine canine_genitalia canine_penis canis censor_bar censored domestic_dog duo erection feral genitals green_eyes hi_res ineffective_censorship knot letterbox male mammal okunawa open_mouth penis raised_tail simple_background standing tail tongue tongue_out white_background