rule 34 2 horns 4 toes anal anal masturbation anthro anus auto penis lick autoanilingus autofellatio autorimming balls black claws black nose black sclera buckteeth claws demon erection fuf genitals grey balls grey ears grey penis grey tail hair hi res horn licking long tongue lying male male only mammal masturbation mouse murid murine on back oral oral masturbation penile penile masturbation penis red eyes rodent self lick soles spread legs spreading teeth tentacle toe claws toes tongue tongue out white whiskers 3764096