Soft and cuddly, a kitten of black fur reluctantly joined a group of S-Ranked criminals under the name of "Akatsuki". Though, unknown to the feline's owners, the cat wasn't really a cat. It was a human. A human girl with psychopathic tendencies and a hyperactivity disorder at that, How will the world of ninjas be affected by this strange occurrence? Will this cat-girl ever become human again? How many people will want to kill her by then?