In a utopian country. Ah Ling awakened her seal power in Xuehaiyuan. After bidding farewell to her grandfather and returning to the hometown of Heyuan, she reunited with her good friends and met the boy Xiu she liked. But she gradually discovered something extraordinary. All the children were afraid of being asked by their class teacher for tutoring. It was said that none of the students who had received tutoring came back. But when asked who had been there, no one could tell...