rule 34 2021 ambiguous species anthro anthro penetrating anus ass backsack balls blue body blue butt blue ears blue fur blue tail bodily fluids canid canine cum cum inside cum splatter from front position fur gameplay mechanics genital fluids genitals group health bar male male on top male penetrating mammal mating press motion lines nullraihigi on bottom on top orange body orange fur orange tail parallel sex penetration penis perineum rough sex sex tail aside text thrusting tiptoes translated 5371744