The protagonist travels to the world of Siheyuan, becomes He Yuyu's twin brother, and also obtains the god-level academic master system.
Faced with the complex interpersonal relationships and various calculations in the courtyard, he relied on the wisdom of his academic master and the help of the system to break through the original dilemma step by step.
Not only must he change the fate of his brother He Yuzhu so that Qin Huairu can no longer plot against them, but he must also show his ambitions in this era, contribute to the development of the era, and start a wonderful journey that defies the odds.