According to the rules handed down by the ancestors, the emperor of the state of the moon must be 18 years old before he can take charge of the state of the moon. Before taking charge of the state of the moon, he is married. That is to say, he has to choose four concubines and one concubine, and then draft every three years. This draft is the first time, and also related to the important position of the four concubines, so the palace and the imperial court pay special attention to it. The seven princes presided over the draft in person. Ji Wenhao, the son of prime minister Ji...