Ayame Tanaka thought being an intern at a newspaper was supposed to be easy! Not so when the city of Susaki is regularly terrorized by giant versions of kittens, teenagers, and octopuses. After saving a strange talking puppy from being hit by a truck, Ayame discovers that she can transform into a magical girl! With her newfound powers based on the iris flower, Ayame must work with her new talking puppy friend, Aichi, in order to defeat monsters and the mysterious Covens that create them. That is, if she can handle the responsibility without stumbling and bumbling around.