FURVERT!

4:5 anal anal_penetration anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro anus backsack balls barmaku big_muscles biped brown_body brown_fur butt canid canine canis duo fox fox_mccloud fur genitals grey_body grey_fur heart_symbol hi_res looking_back male male/male male_penetrated male_penetrating male_penetrating_male mammal muscular muscular_anthro muscular_male nintendo nude open_mouth penetration penile penile_penetration penis pink_anus rear_view red_eyes sex star_fox tongue tongue_out wolf wolf_o'donnell