The Princess of Joy of Life and the Eldest Princess were the same person. She was the Qing Emperor's younger sister. They were siblings, not blood-related.

The Princess of Joy of Life and the Eldest Princess were the same person. She was the Qing Emperor's younger sister. They were siblings, not blood-related.
The Princess of Joy of Life and the Eldest Princess were the same person. She was the Qing Emperor's younger sister. They were siblings, not blood-related.
Princess Qing Yu Nian and the Eldest Princess were the same person. She was the Qing Emperor's younger sister. They were siblings, not blood-related. The Eldest Princess loved the Qing Emperor deeply, but the Qing Emperor only treated her as a younger sister. The Eldest Princess was jealous and resentful of the Qing Emperor and Ye Qingmei's relationship. She secretly plotted to murder the Qing Emperor. The Qing Emperor saw through her plan, and in the end, the Eldest Princess committed suicide.
Princess Qing Yu Nian and the Eldest Princess were the same person. She was the Qing Emperor's younger sister. They were siblings, not blood-related. The Eldest Princess loved the Qing Emperor deeply, but the Qing Emperor only treated her as a younger sister. The Eldest Princess was jealous and resentful of the Qing Emperor and Ye Qingmei's relationship. She secretly plotted to murder the Qing Emperor. The Qing Emperor's feelings for the Eldest Princess were not as good as people thought. The relationship between the Eldest Princess and the Qing Emperor was very complicated in the play. There were entanglements of using each other and fighting.
The Princess of Joy of Life and the Eldest Princess were the same person. She was the Qing Emperor's younger sister. They were siblings, not blood-related.
In Joy of Life, the Princess of Joy of Life and the Eldest Princess were the same person. She was the Qing Emperor's younger sister. They were siblings, not blood-related.
The princess and the eldest princess in Joy of Life were the same person. Her name was Li Yunrui, the Qing Emperor's younger sister. Although they were not related by blood, the Eldest Princess loved the Qing Emperor deeply, and the Qing Emperor only treated her as a younger sister. The Eldest Princess was jealous and resentful of the Qing Emperor and Ye Qingmei's relationship. She secretly plotted to murder the Qing Emperor, but the Qing Emperor saw through her plan. Therefore, the princess and the Eldest Princess were the same person. She was the Qing Emperor's younger sister.
The answer to which chapter of Joy of Life was chapter 86.
In Joy of Life, the story of the Eldest Princess took place in chapter 86 of the sixth volume.
In Joy of Life, the scene of the Eldest Princess sacrificing herself to the Crown Prince happened in chapter 86 of the sixth volume.