The Three Kingdoms: I asked you to save Guan Yu, not to destroy Sun Quan.

(No system + single female lead + action-packed conquest) A young man from the future transmigrates to the Three Kingdoms period, becoming Guan Xing, the second son of Guan Yu. It is winter of the 24th year of Jian'an (219 AD), and Guan Yu has just been defeated at Maicheng and is about to retreat to Linju when he is besieged by Lü Meng. In this critical moment, Guan Xing devises a "base-swap" strategy, suggesting that Guan Yu head east to raid Jianye and swap bases with Sun Quan. Guan Yu adopts the suggestion, making a long-distance raid and easily capturing the poorly defended city of Jianye, shocking the entire world. Sun Quan: "I've searched all of Jingzhou but can't find Guan Yu. Where did this red-faced thief go? What? He went to raid Jianye?" Cao Cao: "Guan Yu actually..."