To achieve eternal life, the male protagonist Gao Ying and the female protagonist Zhu Sunling enter two mysterious classrooms and are forced to take exams one after another. However, these are no ordinary school exams; they are transported to parallel worlds, encounter countless demons, and must answer questions about demonic phenomena. If their score falls below 60, they will be eliminated!

In order to gain eternal life, they will continue to walk with the devil until the moment of their fateful encounter arrives...

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Her step-sister just died three months ago. Now, she insists on marrying Chu Lui, who is supposed to be her future brother-in-law, the mind behind the Chu Enterprise. The world is sure that she, the new bride-to-be, had caused her step-sister’s death in order to seduce him.

Even her own mother says to her cruelly, “Don’t call me ‘Mom’. I don’t have a daughter as vicious as you.”

In the tenth year of Tianbao, the heroic emperor Gao Yang played the hip-bone pipa and sang by himself. The accompaniment was bizarre, absurd, terrifying, desperate and painful.

That year, Liu Taozi, who lived by the Zhang River, caught some fish, and the story began.