More than 7,000 years ago, Feng Yuan, a native of the Dragon Kingdom, once lived a contented life in a paradise village. However, the powerful and brutal Black Demon Kingdom army invaded the Dragon Kingdom and bloodbathed their village. Feng Yuan, who went up the mountain to collect medicine, escaped by chance. However, he was later captured by the invading Black Demon Army and made into a slave. When he was dying, he found that The ancient archaeological team came to rescue him in a flying saucer that transcended time and space, and brought him to the modern world to join the army. However, the modern people of the Dragon Kingdom were unable to verify how they defeated the invading army of the black devil. In order to make up for this blank history, Feng Yuan traveled back to help the Dragon Kingdom deal with the invaders. However, Feng Yuan was not interested in ancient life and wanted to travel back.
