Halfway Through the Class, the Whole Class Traveled to Another World?

Wang Su, a sophomore in high school, never expected that the long story would begin on an ordinary afternoon. Halfway through a boring math class, a white light flashed and the whole class and the teacher came to a different world... The extraordinary power of fire and ice, the magical and beautiful forest, are there humans in this world? Where should they go? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.