rule 34 2023 alpha channel anthro anthro on feral anthro penetrated anus black body black fur canid canine canis claws close up closed eyes cutaway gy style duo erection female female on feral female penetrated feral feral penetrating feral penetrating anthro from behind position fur genitals hi res knot larger feral larger male looking pleasured male malefemale male penetrating male penetrating female mammal penetration penile penile penetration penis penis in pussy pussy sex signature simple background size difference smaller anthro smaller female smaller penetrated toe claws transparent background vaginal penetration vaginal penetration watermark white body white fur wolf zenrii zoophilia 8902555