In Joy of Life, the prince did not die. In the novel, after the Second Prince failed to assassinate Fan Xian, the Qing Emperor sent the Crown Prince to take over the Second Prince's army. At the same time, he hinted to the Crown Prince to prepare for the ascension.

In Joy of Life, the relationship between the Eldest Princess and the Crown Prince happened in chapter 86 of the sixth volume. The plot between them also appeared in the 22nd episode of the TV series Joy of Life. In this plot, the Crown Prince persuaded the Eldest Princess to sacrifice herself in exchange for peace in the Crown Prince's family and prevent war from breaking out. The specific chapter information could not be determined.
In the original work of Joy of Life, there was a complicated and confusing relationship between Li Yunrui and the Crown Prince. The Crown Prince had an infatuated love for Li Yunrui, and Li Yunrui chose to have an indecent relationship with the Crown Prince to take revenge on the Qing Emperor and seize power. The Crown Prince had always harbored improper thoughts about his aunt, but due to his status and Li Yunrui's attitude, the Crown Prince had never dared to show it. There was no mention of how their affair was discovered. To understand more details about their relationship, one would need to read the original novel or other relevant materials.
In the original work of Joy of Life, the relationship between Li Yunrui and the Crown Prince was complicated and confusing. The Crown Prince was infatuated with Li Yunrui, and Li Yunrui had supported the Crown Prince at first, but later on, she had turned to support the Second Prince. There was an improper relationship between them, and the Crown Prince had improper thoughts about Li Yunrui. However, there was no mention of how the relationship was discovered.
In the original work of Joy of Life, the relationship between Li Yunrui and the Crown Prince was complicated and confusing. The Crown Prince had an infatuated love for Li Yunrui, and Li Yunrui chose to have an indecent relationship with the Crown Prince to take revenge on the Qing Emperor and seize power. The relationship between them was both beneficial and kinship. The Crown Prince had always harbored improper thoughts about his aunt, but due to his status and Li Yunrui's attitude, he had never dared to show it. However, their ending was a failure and tragedy. The Crown Prince's affair with Li Yunrui was discovered by the Qing Emperor. In his rage, the Qing Emperor deposed the Crown Prince and exiled Li Yunrui. Later, Li Yunrui, the Crown Prince, and the Second Prince plotted to assassinate the Qing Emperor, but the plan failed. In the end, the two chose to commit suicide. Therefore, their ending was a failure and tragedy.
The relationship between Li Yunrui and the Crown Prince in the original novel was complicated and confusing. The Crown Prince had an infatuated love for Li Yunrui, and Li Yunrui chose to have an indecent relationship with the Crown Prince to take revenge on the Qing Emperor and seize power. The relationship between them was both beneficial and familial. The Crown Prince had always had improper thoughts about his aunt, Li Yunrui. However, due to the obstacles in his identity and Li Yunrui's attitude, the Crown Prince did not dare to show it. The development and revelation of the specific relationship were not mentioned.
In Joy of Life, the relationship between Li Yunrui and the Crown Prince was complicated and confusing. The Crown Prince had an infatuated love for Li Yunrui, and Li Yunrui chose to have an indecent relationship with the Crown Prince to take revenge on the Qing Emperor and seize power. The relationship between them was both beneficial and kinship. The Crown Prince had always harbored improper thoughts about his aunt, but due to his status and Li Yunrui's attitude, he had never dared to show it. However, their ending was a failure and tragedy. The Crown Prince's affair with Li Yunrui was discovered by the Qing Emperor. In his rage, the Qing Emperor deposed the Crown Prince and exiled Li Yunrui. Later, Li Yunrui, the Crown Prince, and the Second Prince plotted to assassinate the Qing Emperor, but the plan failed. In the end, the two chose to commit suicide. Therefore, their ending was a failure and tragedy.
In the original work of Joy of Life, the relationship between Li Yunrui and the Crown Prince was complicated and confusing. The Crown Prince had an infatuated love for Li Yunrui, and Li Yunrui chose to have an indecent relationship with the Crown Prince to take revenge on the Qing Emperor and seize power. The relationship between them was both beneficial and kinship. The Crown Prince had always harbored improper thoughts about his aunt, but due to his status and Li Yunrui's attitude, he had never dared to show it. This relationship was eventually discovered by the Qing Emperor, causing the Crown Prince to be deposed and Li Yunrui to be exiled. This relationship did not end well. It was full of entanglements and tragedies. The details and development between them needed to be understood by reading the original novel.
In the original work of Joy of Life, there was a complicated and confusing relationship between Li Yunrui and the Crown Prince. The Crown Prince had an infatuated love for Li Yunrui, and Li Yunrui chose to have an indecent relationship with the Crown Prince to take revenge on the Qing Emperor and seize power. The Crown Prince had always harbored improper thoughts about his aunt, but due to his status and Li Yunrui's attitude, he had never dared to show it. This relationship was described as a kind of abnormal love in the original novel. The prince even treated other women as Li Yunrui to satisfy his feelings. However, in the end, the Crown Prince was discovered by the Qing Emperor because of his relationship with Li Yunrui. This led to the Crown Prince being deposed and Li Yunrui being exiled. Their story ended in failure.
Li Yunrui was the Eldest Princess of Qing Kingdom. She and the Crown Prince were half-siblings.
In the original work of Joy of Life, the relationship between Li Yunrui and the Crown Prince was complicated and confusing. The Crown Prince had an infatuated love for Li Yunrui, and Li Yunrui chose to have an indecent relationship with the Crown Prince to take revenge on the Qing Emperor and seize power. The relationship between them was both beneficial and kinship. The Crown Prince had always harbored improper thoughts about his aunt, but due to his status and Li Yunrui's attitude, the Crown Prince had never dared to show it. However, there was no specific mention of the plot and development between them, as well as how the affair was discovered. Their story ended in failure and they chose to commit suicide. Therefore, their ending was a failure and tragedy.