rule 34 2021 5 fingers animal genitalia animal penis anthro anthro on anthro balls black body black fur bodily fluids canid canine canine penis canis closed eyes collaboration domestic duo erection fingers fur genital fluids genitals german shepherd golden shower green body green fur herding hi res incorgnito knot looking down male malemale mammal marjani open mouth pastoral peeing penis red penis tongue urine urine in mouth urine on chin urine stream watersports white body white fur 5398313