I'm a Time Corrector in the Multiverse

An ordinary senior high school student, Gu Siyuan, failed the college entrance examination because he drank a can of coffee and ran to the bathroom. After the results came out, he discovered that he had ranked first in the school. However, before he was happy for two days, Gu Siyuan suddenly found that he was sitting in the college entrance examination examination room again, with the same roll of paper and the same can of coffee in his pocket, but beside him was a fairy sister who looked like a fairy. The fairy sister stretched out her hand and sneered: You shouldn't see me. Gu Siyuan swallowed and nodded: But, I did see it... From then on, Gu Siyuan embarked on a road of no return...