Sakura's older sister is forced to become an Akatsuki after her mother is trying to run her life for her. What will happen?

When Katherine, Tanith and Samantha find nine kittens on their front porch in the middle of nowhere, what will they do? And what if the kittens just happen to be nine psycho murderers from another world? Watch out Earth, because here come the a-CAT-tsuki (Akatsuki)!!!! Dun, Dun, DDDDDUUUUUNNNNN!!!!!!!O.o