Double A school: It means that the family background of the students who come to this school is A level in society, and the performance and quality of the students who graduate from this school are A level. Originally, the Double A school attracted outstanding young people from all over the world with its golden halo. However, starting from a certain year, students in Class B of this school began to disappear or die one after another. The roll call of this class has also become what is known as the "cursed list" in rumors outside the school. The civilian girl "Huahua" who was completely unaware of all this was admitted to Double A with her hard work. However, she was placed in the "Jiu" class despite being in the "Jiu" class. On the first day of school, there was only one dead boy "greeting" her in the empty classroom. What kind of secret is hidden behind all these weird phenomena? ...