FURVERT!

4_toes anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis autofootjob balls blue_body blue_fur canid canine canine_genitalia canine_penis canis claws digitigrade domestic_dog erection feet feral foot_fetish foot_play fur genitals hi_res lying male male_feral mammal masturbation on_back pawpads paws penile penile_masturbation penis penis_backwards quadruped solo toes yinglizi