Rule 34 Dev - duo_focus female feral group heart_symbol hug male micro size_difference tail kacey kacey_(kacey) ralen_(ralenfox) tofu_(ralenfox) canid canine domestic_cat felid feline felis fox mammal mouse murid murine red_fox rodent serval silver_fox true_fox 2014 graphite_(artwork) monochrome traditional_media_(artwork)|2474082555