Rule 34 Dev - anal anthro anus ass balls bench bite blush bodily_fluids canid canine canis collar domestic_dog duo ear_piercing erection eyewear genital_fluids genitals glasses male male/male mammal moan muscular mustelid nipples nude otter outside penetration penis piercing precum public shoulder_bite size_difference smile smirk spread_butt spreading tail tail_grab yamatopawa|10134230904