This story tells the story of a Chinese family with mysterious power who has shouldered a great mission for world peace for thousands of years. The soul possessed by the heroine is the "key" that only appears every three hundred years. As the key to sealing the "ghost path", she was summoned back from another time and space by her "spiritual guardian". The purpose is to find the sleeping "lock" and seal the "ghost path" again.
Then he came to a Japanese middle school and had a wonderful love affair with the princes. Later, the door of thousands of years of memory in the 'key' was opened, and the heroine actually chose to leave her beloved princes.
Will she still be confused in the end? Can you defeat fate? And what will the princes choose in the end? The puzzle is about to be revealed...