Transmigrate to the Three Kingdoms: I Urge Guan Yu to Hold Maicheng

A mercenary carrying an AK-47 transmigrates to the Three Kingdoms era, when Guan Yu is attacking Fancheng. He finds Ma Chao to bring reinforcements, kills Lü Meng, and takes Jingzhou. He kills the Cao Wei forces and restores the Han dynasty. Zhuge Liang mass-produces AKs, making them invincible in the Three Kingdoms. He marries Da Qiao, Xiao Qiao, and Zhen Mi. He saves Hua Tuo and opens the country's first people's hospital. He manufactures medicine and salt, solves the famine, conquers Japan, extracts silver ore, occupies North and South America, and unifies the world.