rule 34 11 2018 animal genitalia anthro anus balls big ears biped black eyes black nose blush censor bar censored cheek tuft digitigrade eager facial tuft fluffy fur genitals grey body grey fur kemono konzaburou looking at viewer male male only mammal mouse murid murine navel neck tuft on one leg open mouth penis rodent sheath simple background solo standing tapering penis teeth tuft whiskers white body white fur yellow background 3865139