Reborn as a princess, she was forced to flee after not enjoying a few years of fine clothing and food. She was involved in a palace coup and couldn't help herself. A wealthy and peaceful life was no longer possible. By chance, he learned martial arts from a master, and when he returned after completing his studies, there was an ups and downs. Why did the coup start, whose conspiracy is hidden, and what kind of turbulent undercurrent is hidden under the calm water. Is it a noble person who is helping me, or is he trying to figure it out? The mantis stalks the cicada, who is the successful hunter? Who is the chess piece and who is the hand holding the chess...