A Woman Wears a Man's Clothes, My Best Friend Is Actually Worthy of Being an Emperor

[Female wearing male + bestie wearing double + cool writing + war + palace fighting + infrastructure + enthronement] Lin Chuchu, a doctor of chemistry, traveled to a time of war, and unexpectedly discovered that her best friend, a doctor of medicine, was wearing the same clothes as him and became his royal brother! Before the two of them grew up, wars broke out frequently and the people were in dire straits. The two "brothers" worked together, fought against all forces in the maelstrom of power and intrigue, and used whimsical ideas to build infrastructure. Although they had no intention of becoming emperor, they were forced to ascend the throne. Let's see how they turn things around and create a legend of a powerful nation.