Nowadays

Due to his family background, Jiaxiang received an excellent education since he was a child, had excellent academic performance, and was proficient in various self-protection techniques. After graduating from junior high school, he went to Japan to study. However, after an accident, Jiaxiang woke up from temporary amnesia and accidentally came into contact with another side of the world hidden beneath ordinary people. The unfamiliar continent reveals the tip of the iceberg. It is the collision of civilization and technology as the two worlds gradually intertwine. Since then, the "door" that followed broke Jiaxiang's peaceful life.