rule 34 anal anal sex anthro bathroom beak black hair bottomless brown hair chair position clothed clothing dialogue duo feathered wings feathers from behind position fur genitals graffiti grey body grey fur hair hair over eyes humanoid genitalia humanoid penis male malemale mammal mouse murid murine nipple piercing nipples nude penetration penile penile penetration penis penis in ass piercing pink floyd public restroom restroom stall rodent sex shirt size difference smaller penetrated tank top toilet topwear wings zeiro zerva von zadok capesir 8226427