Soredemo Sekai wa Utsukushii

The manga revolves around Nike, the determined princess of the Rain Dukedom who has a mysterious power: she can control rainfall. After losing a game of rock, paper, scissors to her older sisters, she is forced to unwillingly marry the king of the Sun Kingdom, Livius I. Livius (or "Livi" for short) conquered the world in three years, and is known...