I Was in the Han Dynasty Guarding Historical Records

Xiao Wu, a modern person in the 21st century, is a history buff. Suddenly one day, Xiao Wu woke up and found himself on the battlefield of the Mayi Conspiracy. Faced with the sudden war and the instinct of survival, Xiao Wu started on the road to kill the enemy. He killed the enemy bravely along the way and was appreciated by the general. He went to the imperial court to meet the emperor and Sima Zichang. The two hit it off and became like friends for many years. Sima Zichang led Xiaowu into the "path of history". Xiaowu relied on his understanding of historical knowledge to become invincible on the battlefield and made outstanding military exploits. The two of them are both literary and martial, and they are sincere. However, God did not go with people's wishes and Sima Zichang was demoted to prison for saving his friend. Xiaowu must agree to the emperor's request in order to rescue his best friend Sima Zichang. If he cannot fulfill the emperor's request, Xiaowu will not be able to return to the 21st century. Can Xiao Wu achieve great military exploits?