In a realm where fate is played on a celestial chessboard, Hatsuno finds herself at the center of a game of rebirth and betrayal, where every move she makes could alter the course of her existence....

When a young starship navigator is chosen to play a high-stakes game of celestial chess, she discovers that the fate of her entire planet hangs in the balance, and the only way to win is to betray her deepest loyalties....