This is a story about the rebirth of two female protagonists. A is the emperor's sister in this era, a princess, but due to her own reasons, her brother died tragically. In this palace, her nephews and nieces also died at the hands of rebellious officials and traitors.
B himself is not a person of this era. He comes from modern times. He is an orphan. He was adopted as a child. Later he met A and joined the army just because of her words. Also because of a coincidence, he knew that B had gained power and saw the cruelty of the rebellious ministers. He decided to cooperate with A to end this chaotic situation.
Intention: a momentary fantasy