When I Woke Up, I Became the Timely Rain Song Jiang

A modern person traveled to the Song Dynasty and became Timely Rain Song Jiang. He was familiar with the stories of Water Margin and tried to use this knowledge to change his own destiny and the direction of history. In the end, he found that he was just a grain of sand in the torrent of history. However, in the process, he realized his self-worth and found the meaning of life.