Rule 34 Dev - 2boys 4_toes animated anthro anus ass back barefoot big_ass buttjob canine erection feet fluffydonuts foreskin fur furry gay girly hair hair_over_one_eye heart hindpaw hot_dogging humanoid_penis looking_back lying male male_only mammal markings monochrome nude on_back paws penis smile soles testicles toes wolf yaoi|3490743696