Rule 34 Dev - absurd_res anal anal_sex anus arkosian arkosian_collie big_insertion big_penis bodily_fluids border_collie canid canine canis collie dildo dildo_sitting domestic_dog feral feral_only furry genital_fluids genitals heavensdoor herding_dog hi_res huge_cock huge_dildo large_insertion male mammal pastoral_dog peeing penetration penis sex_toy sheepdog size_play solo solo_focus urine watersports|7579508760