My Brother, Emperor Wu of Han

Modern time traveler Wang Cheng accidentally traveled to the early years of Emperor Wu of the Western Han Dynasty. At first he thought he was filming a movie, but gradually he discovered that he seemed to have really traveled through time! Ever since, Emperor Wu of the Han Dynasty invited him to be his friend. Gradually, relying on modern knowledge, he attacked the Xiongnu in the north, expanded the territory, followed Wei Qing in the south and north, led Huo Qubing in the east and west, and planted and promoted sweet potatoes. From then on, the Han Dynasty had another ending...