FURVERT!

2015 all_fours ambiguous_penetration anthro balls big_butt black_bars bodily_fluids breasts butt canid canine canis duo ear_piercing english_text erection eyes_closed female female_penetrated from_behind_position fur genitals glowing glowing_genitalia glowing_penis hadriae hand_on_butt lactating letterbox male male/female male_penetrating male_penetrating_female mammal markings milk nipples penetration penis piercing raised_tail sex striped_body striped_fur stripes tail text wolf