Nike meets Livius I (Livi). Livi knows that Nike has the power to summmon rain, and orders her to make it rain for him. Nike is angered by his selfishness, but it turns out he has another reason for wanting to see the rain. Meanwhile, enemy forces make an attempt on Livi's life.

Nike's busy life as wife of the Sun King is interrupted by an urgent message from the Principality of Rain. Nike's grandmother, Tohara, has collapsed, and she wants to see her granddaughter. Livi notices Nike's concern for her grandmother, and decides to journey with her to the Principality of Rain.

The Principality of Rain is in a flurry to welcome Livi and the rest of the visitors from the Sun Kingdom. Nike and Livi are relieved to find that Tohara is healthier than her message suggested. But a threat of unease approaches from the shadows...

Livi ends up in a dangerous state trying to achieve Tohara's unreasonable demand. To escape confinement and reach Livi, Nike injures herself over and over again. What awaits them at the end of their passionate struggle to find one another?