[Note: The king of the main network is the master of the sea. ]
Unlike her elder brother, Ninzu Yushi, who received a new education from an early age, Ninzu Rei was raised by her grandmother who paid attention to etiquette and came from an ancient family. She received traditional etiquette instruction and was full of the ancient charm of the nobility of the Heian Kyo period. Every move can be included in the painting.
Later, in junior high school, she encountered an unscientific system. Since encountering this system, she has been able to see some strange things that others cannot see - commonly known as monsters.
Then, this system not only requires Ninzu Rei, who has been studying in junior high school from Hyotei Preschool Education Department, to transfer to Tachikai University, but also shoots monsters.
Those who do not believe in evil will not do it. The system just threw her back to the time when she was just born...