Lin Yuanxiao thought that she was a hard-working eldest princess who worked hard to train the emperor's younger brother into a good young man and help him ascend the throne, but she became an older, unmarried young woman. In order to keep the kingdom that he had finally won, and to resolve his marriage issue, he went to get married. He was killed on the way, so he killed him, and he was reborn as a little palace maid...
Note: This is my first time writing, so my writing style is not good, so please forgive me!