Qing Yuannian and Si Lili appeared for the first time.

[Yes, Joy of Life caught Si Lili.] In the plot, Fan Xian discovered Si Lili's identity through investigation and planned to capture her and bring her back to Jingdou. Before Si Lili was captured, she had already sensed her situation and left Qing Kingdom before Fan Xian and the Overwatch Council could find her. Thus, in order to find the mastermind, Fan Xian had no choice but to follow Si Lili into Northern Qi.

Yes, Si Lili was caught in Joy of Life. In the plot, Si Lili was arrested after the Niulan Street incident and escorted to Jingdou. She endured torture in the Overwatch Council and was captured by the Qing Kingdom. The Northern Qi Emperor had personally asked for someone, using the Qing secret agent Yan Bingyun to exchange for Si Lili. Fan Xian also accepted the task of sending Si Lili back to the country.

In the original novel Joy of Life, Si Lili first appeared in chapter 40 of the seventh volume.

In the original novel Joy of Life, Si Lili first appeared in chapter 40 of the seventh volume.

In the original novel Joy of Life, Si Lili first appeared in chapter 40 of the seventh volume. However, the search results did not provide any specific information about the plot and details of Si Lili's first appearance. Therefore, I can't give a definite answer about Si Lili's first appearance in the original novel.

In the original novel Joy of Life, Si Lili first appeared in chapter 40 of the seventh volume.

In Joy of Life, Fan Xian learned the identity of the mastermind through interrogating Si Lili. The mastermind was Wu Bo 'an.

Joy of Life asked Si Lili for the token from Lin Gong.

Si Lili's first appearance was in the eighth episode of Joy of Life. She was the Drunken Immortal Residence's top courtesan, the Black Gold Plum Blossom. She was beautiful and charming. She had developed feelings for Fan Xian and invited him to swim with her, but Fan Xian had secretly put sleeping pills on the boat and left. When Si Lili woke up, she found that Fan Xian had already left. She admired him. Her story was about a female secret agent with a mysterious identity. She was sent by Northern Qi to the Qing Kingdom to gather intelligence, but her true goal was revenge. In the end, Si Lili married the Northern Qi Emperor, Zhan Doudou, and became the Imperial Consort of Northern Qi.

In Joy of Life, the person Si Lili gave up was Lin Gong. Lin Gong was the murderer ordered by the Eldest Princess Li Yunrui to plot the assassination on Niulan Street. When Fan Xian learned of this, he decided to kill him, but Wu Zhu stopped him and personally left the capital to kill Lin Gong.