Rule 34 Dev - 2016 3_fingers 3_toes anthro ass balls brown_fur canine duo erection fox frottage fur furry gaon highres humanoid_penis interspecies invalid_tag kaiketsu_zorori lying male mammal markings masturbation nude open_mouth partially_retracted_foreskin penis plantigrade sex sexbad skinny toes uncut wolf yaoi yellow_fur zorori|2447980152