Shanji

Twin stars, inhabited by the same race: drawing together, then apart in their orbits, the inhabitants fighting bitterly when the gap permits travel between. But this time, the invaders met overwhelming force from the mind of the young Kati, and died in a blast of violet fire. Kati became empress, making her responsible for the well-being of her former enemies. A task complicated by power-hungry factions who didn't want the war to be over. Unfortunately, they were going to get their wish . . .