When Lin Mo, the top student in high school mathematics, looked up from answering questions, the sky was covered by a giant suspended homework book - the pages were as sharp as knives, and the "function question monster" was biting the security guard at the school gate. End? No, it's "homework apocalypse"!
In this world ruled by knowledge monsters, completing homework is the only way to survive. Lin Mo discovered that he could "analyze" the weaknesses of the problem monsters, and accidentally activated the "Xueba System", which could turn the problem-solving process into a means of attack. In order to find his missing sister, he must take the timid Chinese representative Su Qing and the impulsive physics madman Zhao Lei to fight to the end in the "Mathematical Maze" and "Classical Chinese Swamp" and other subject copies.
But as he went deeper, he discovered that this disaster was no accident. The "additional questions" in the homework seemed to point to a behind-the-scenes organization that controlled everything...