rule 34 anthro anus ass ass up backsack balls biped bodily fluids canid canine canis claws countershade butt countershade face countershade fur countershade torso countershading cum cumshot dipstick tail ejaculation erection fur genital fluids genitals girly glans green eyes grey body grey fur group hi res humanoid genitalia humanoid penis inner ear fluff looking back male malemale mammal markings pawpads penis perineal raphe perineum raphe anatomy rear view smile solo focus tail tail markings theeasterncrocus tuft viskasunya wolf 8464629