Due to an accident, the young Nanoka lost her family when she was only seven years old. After eight years she goes back to where it all happened, but somehow she is sent back to the past, during the Taisho era. Here he meets the young Mao, a boy who fights demons in order to find the creature that cursed him. What is the meeting between the two due to? What is the connection between the two worlds? Mao is about to meet his teacher's senior students. What idea will they have of him? Due to the "role" imposed on him, he has been targeted by five onmyoji and just as he tries to shed light on recent events he meets a man named Kuchinawa, whose face looks strangely familiar to him ...