Ah Luo is a teacher, a middle school physics teacher. She left her hometown and came to a place like this.
There are many students here, and even after teaching for many years, she can't remember their appearance, but for some reason, she always feels that the scenes she experiences are all familiar. As the time approaches, there are many strange pictures in Ah Luo's mind. The high school entrance examination is about to start, and the memory is slowly unfolding. What exactly happened.
The door to another world is about to open. Can Ah Luo complete his forgotten mission?