An ongoing war between the forces of good and evil
The book series details the ongoing war between the god of Evil and the goddess of Goodness (called Light). Light allowed herself to be reborn as a mortal around a thousand years ago, and has been going through a cycle of different lives - but the cycle ends here...
After being captured by a servant of her brother, Light needs to find a way to escape; but it's not so easy when she's trapped in the form of a cat, and doesn't even have all of her memories