FURVERT!

2011 all_fours anal anal_penetration anthro anthro_on_anthro biceps big_penis black_body black_fur canid canine canis doggystyle domestic_dog duo erection flynx-flink frankfoxx from_behind_position fur genitals green_eyes hair heart_symbol knot legionwolfe looking_back male male/male male_penetrated male_penetrating male_penetrating_male mammal muscular night nude open_mouth penetration penis sex tail tongue tongue_out window wolf