The novel that Fan Xian had transmigrated to was Joy of Life.

The reason for Fan Xian's transmigration in the novel Joy of Life was not clearly explained. According to the information provided, Fan Xian was a paralyzed patient in bed at the beginning of the 21st century. When he died, he transmigrated into the body of Ye Qingmei's newborn son and retained his memories. Ye Qingmei's transmigration situation was not fully explained. He only knew that she returned to Jingdou from Danzhou when she was four years old. Fan Xian's sister was Fan Ruoruo. She was Fan Xian's younger sister and Fan Jian's daughter. She was also the most talented woman in Jingdou. In the story, Fan Ruoruo married King Jing's son, Li Hongcheng, and became King Jing's princess consort. As for the specific details and reasons for Fan Xian's transmigration, there was currently no more information provided.
In the end, Fan Xian did not become Emperor. Although he had the qualifications, ability, and conditions to be the emperor, he chose to control the emperor instead of ascending the throne himself. Fan Xian's personality made him unwilling to become Emperor. He had no interest in power and was more willing to be an official. In addition, Fan Xian had not been considered as a successor by the Qing Emperor. Therefore, Fan Xian would not become the Emperor.
In the end, Fan Xian did not become Emperor. Although he had the qualifications, ability, and conditions to be the emperor, he chose to control the emperor instead of ascending the throne himself. Fan Xian's personality made him unwilling to become Emperor. He had no interest in power and was more willing to be an official. In addition, Fan Xian had not been considered by the Qing Emperor as a successor. He was only the Qing Emperor's illegitimate son and nominally belonged to the Fan family. Fan Xian was labeled as a traitor in public opinion. After assassinating the Qing Emperor, he was wanted and nailed to the pillar of shame. In the end, Fan Xian chose to retire and not fight for the throne. He handed the Qing throne to the Third Prince. Thus, Fan Xian did not become Emperor.
Fan Xian was not Fan Jian's biological son. Fan Jian had killed his first child to protect Fan Xian. Fan Xian's true identity was the son of the Qing Emperor and Ye Qingmei. There was no clear information on how Fan Xian became Fan Jian's son.
There was no clear information on how Fan Xian became Fan Jian's son. According to the contents of the relevant documents, Fan Xian was not Fan Jian's biological son. Instead, Fan Jian had killed his first child to protect Fan Xian. Fan Xian's true identity was the son of the Qing Emperor and Ye Qingmei. Fan Xian's identity had always been a secret in the Qing Emperor's heart. Only a few people knew that he was the Qing Emperor's son. The details of how Fan Xian had become Fan Jian's son were still unclear.
Fan Xian was not Fan Jian's biological son. Fan Jian had killed his first child to protect Fan Xian. Fan Xian's true identity was the son of the Qing Emperor and Ye Qingmei. There was no clear information on how Fan Xian became Fan Jian's son.
There was no clear information on how Fan Xian became Fan Jian's son. According to the contents of the relevant documents, Fan Xian was not Fan Jian's biological son. Instead, Fan Jian had killed his first child to protect Fan Xian. Fan Xian's true identity was the son of the Qing Emperor and Ye Qingmei. Fan Xian's identity had always been a secret in the Qing Emperor's heart.
Fan Xian was not Fan Jian's biological son. Fan Jian had killed his first child to protect Fan Xian. Fan Xian's true identity was the son of the Qing Emperor and Ye Qingmei. There was no clear information on how Fan Xian became Fan Jian's son.
Fan Xian was not Fan Jian's biological son. Fan Jian had killed his first child to protect Fan Xian. Fan Xian's true identity was the son of the Qing Emperor and Ye Qingmei. There was no clear information on how Fan Xian became Fan Jian's son.
There was no clear information on how Fan Xian became Fan Jian's son. According to the contents of the relevant documents, Fan Xian was not Fan Jian's biological son. Instead, Fan Jian had killed his first child to protect Fan Xian. Fan Xian's true identity was the son of the Qing Emperor and Ye Qingmei. Fan Xian's identity had always been a secret in the Qing Emperor's heart, but there were a few people who knew that Fan Xian was the Qing Emperor's son, including Wu Zhu, Fei Jie, Chen Pingping, and others. However, the details of Fan Xian becoming Fan Jian's son were not provided.