Rule 34 Dev - 2018 animal_genitalia antlers ass backsack balls capreoline cervid cervine_penis christmas clothed clothing comic dialogue duo english_text erection fellatio female feral ftm_transformation furry gender_transformation hair holidays horn huge_penis human human_to_feral large_balls male male_penetrating mammal oral penile penis penis_out possession proxer reindeer sex species_transformation speech_bubble spirit text transformation zoophilia|3930724288