Oh My God, How Can I Travel Back in Time to Ancient Times and Still Have to Take the Imperial Examination?

There is no system, no golden finger, a modern man who is frustrated in the imperial examination is a redemption story that travels back to ancient times. There is no bloody plot, no exaggerated plot. The male protagonist's temperament is constantly changing, and he slowly grows up, from lying down at the beginning, to taking part in the imperial examination step by step, and becoming an extremely popular minister.