rule 34 animal genitalia animal penis anus ass balls bench big penis black balls black body black fur black nose canid canine canine genitalia canine penis canis detailed background dialogue domestic erection feral fluffy fluffy ears fluffy tail fur genitals german shepherd grey eyes herding hi res hmdkoba looking at viewer male mammal neck tuft park park bench pastoral pawpads paws penis pink anus pink pawpads pink penis presenting presenting hindquarters raised leg raised tail shaded solo speech bubble tail tuft 8702819