You are the emperor of the Land of Ancestors, a small nation with farming villages and a large lake. War with the Land of That is imminent due to a land dispute. Negotiations have failed. Your people discovered a woman who claims to be from the stars. You have little memory of this event. She is now known as your concubine, and this complicates the already tense situation with the Land of That. Her assistant, Aino, observes her stargazing, believing she awaits someone from the heavens.