Rule 34 Dev - anthro backsack balls big_butt black_border blush bodily_fluids border bulge butt cave clothing cum duo erection fur genital_fluids genitals looking_at_viewer looking_back male male/male open_mouth panties penis pose smile underwear water yellow_eyes kyubbi-arts sir_kavalier canid canine fox mammal 2014 4:3 hi_res|2297642725