FURVERT!

anal anal_penetration bernese_mountain_dog black_body black_fur canid canine canis domestic_dog duo feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral feralized fur lucas_(lucasreturns)lying male male/male male_penetrated male_penetrating male_penetrating_male mammal marjani molosser mountain_dog on_back penetration quadruped ruska sex swiss_mountain_dog tail