Zhao Zheng, a graduate student in the Department of Modern History, was accidentally electrocuted while studying Qin bamboo slips and was reborn as King Ying Zheng of Qin in 247 BC. At the age of only 13, he was deeply involved in the power vortex of Lu Buwei and Zhao Ji. On the night of his rebirth, he activated the 'Great Qin Hegemony System' and earned points by completing tasks such as unifying the six kingdoms and opening up territories, which could be exchanged for improved farm tools, advanced tactics of war and other heaven-defying resources. He pretended to be ignorant, secretly observed Lu Buwei's party members, met Meng Ao, Wang Jian and other loyal ministers, and cultivated his confidants. In 239 BC, he used the Lao'ai rebellion to eradicate dissidents in one fell swoop, took back the power of the prime minister, and formally took charge of the government. Subsequently, he swept across Liuhe, relying on the improved crossbow technology exchanged by the system, etc., To destroy Korea within three months and start his hegemony to unify China.