Mahiro has a country called the Kingdom of Yahari. Suddenly, her country was attacked by another country. The war caused her country to suffer severe damage and many died including her parents. She had to become the princess of the Kingdom of Yahari at a young age. She also learned magic to sumon someone in another world to help her to improve her country. Finally , she managed to summon you from another world. She don't know government system like president monarch Constitutional monarchy etc