In Joy of Life, the Qing Emperor had five princes. The second prince, Li Chengze, was one of the important characters. He was described as an ambitious and shrewd person who often clashed with Fan Xian. The Qing Emperor was stricter with the Second Prince than the other princes. Perhaps it was because he believed that the Second Prince was the greatest threat to the Crown Prince. The Qing Emperor's betrothal of the Second Prince and Ye Ling 'er was also to balance the power between the Crown Prince and the Second Prince. Although the Second Prince ultimately chose to commit suicide, he played an important role in the play and had a complicated relationship with Fan Xian.

The Crown Prince in Joy of Life was not the First Prince. The Qing Emperor had a total of five sons. The Great Prince's name was unknown. The Crown Prince was the Qing Emperor's eldest son, but he was not among the princes. Thus, the Crown Prince was not the First Prince.
According to the information provided, the Crown Prince in Joy of Life was not the First Prince. The Crown Prince was older than the Eldest Prince. The Crown Prince was conferred the title of Crown Prince the moment he was born and was not in the Prince Sequence. The First Prince's mother was not the Empress. Therefore, it could be concluded that the Crown Prince of Joy of Life was not the First Prince.
The prince in Joy of Life was the third prince. The Crown Prince was younger than Second Prince Li Chengze and older than Third Prince Li Chengping.
The Crown Prince of Joy of Life was not the First Prince. According to the information provided, the Qing Emperor had a total of five sons. The Great Prince's name was unknown. The Crown Prince was the Qing Emperor's eldest son, but he was called the Second Prince in the ranking of princes, not the Great Prince. Therefore, based on this information, it could be concluded that the Crown Prince of Joy of Life was not the First Prince.
Joy of Life was the second prince. The Qing Emperor had a total of five princes. The Crown Prince was the Qing Emperor's eldest son and the successor that the Qing Emperor wanted to support. Although the Crown Prince's ability was considered the worst, the Qing Emperor insisted on supporting him and made the Second Prince and Fan Xian his training partners to help him grow. Therefore, in Joy of Life, Prince was ranked second.
The eldest prince in Joy of Life was not the crown prince. The Crown Prince was the Qing Emperor's eldest son, but he was called the Second Prince in the ranking of princes, not the Great Prince. Therefore, the First Prince and the Crown Prince in Joy of Life were not the same person.
The Crown Prince of Qingyu was not the First Prince. The Crown Prince was the Qing Emperor's eldest son, but he was called the Second Prince in the ranking of princes, not the Great Prince. The First Prince's name was unknown. Thus, Crown Prince Qing Yunian was not the First Prince.
Crown Prince Qingyu was not the First Prince. The Crown Prince was older than the Eldest Prince. The Crown Prince was conferred the title of Crown Prince the moment he was born and was not in the Prince Sequence. The Crown Prince and the First Prince were different people.
The Crown Prince of Joy of Life was not the First Prince. The Qing Emperor had a total of five sons. The Great Prince's name was unknown. The Crown Prince's name was not mentioned, but he had the support of the Qing Emperor and some officials. Therefore, it could be concluded that the Crown Prince of Joy of Life was not the First Prince.
The Crown Prince of Joy of Life was not the First Prince. The Qing Emperor had a total of five sons. The Great Prince's name was unknown. The Crown Prince was the Qing Emperor's eldest son, but he was called the Second Prince in the ranking of princes, not the Great Prince. Therefore, the Crown Prince in Joy of Life was not the First Prince.