The name Si Lili gave Fan Xian was Lin Gong.
Si Lili was Fan Xian's cousin and a descendant of the Qing royal family. Si Lili's grandfather was a prince of the Qing Kingdom, but after he was killed by Ye Qingmei with a Barrett, Si Lili's family fled to Northern Qi. In order to make a living and protect her brother, Si Lili was trained to be a secret agent. She changed her name to Si Lili and returned to the Qing Kingdom. Fan Xian's grandfather and Si Lili's grandfather were blood brothers, so the two were related by blood. However, from the perspective of their emotions and ethics, Fan Xian and Si Lili could not get married. Their relationship only stopped at the level of mutual recognition and good feelings on the level of looks. Thus, Si Lili was Fan Xian's cousin, but their relationship was only that of relatives and could not develop into a relationship of husband and wife.
Si Lili and Fan Xian were not together. Even though Si Lili had a good impression of Fan Xian, Fan Xian already had a wife and concubines and the Northern Qi Emperor, Zhan Doudou. To protect Zhan Doudou and the stability of Northern Qi, Si Lili married Zhan Doudou and raised Fan Xian's daughter, Red Bean Rice. Thus, Si Lili and Fan Xian did not develop into a romantic relationship.
Si Lili was not with Fan Xian. In the end, Si Lili married the Northern Qi Empress Zhan Doudou and became the Northern Qi Imperial Consort. Although Si Lili had a good impression of Fan Xian, they did not develop into a relationship.
The relationship between Fan Xian and Si Lili in the novel " Celebrating Years " was that Si Lili was Fan Xian's concubine. In the novel, Si Lili loved Fan Xian and married him. Other than Lin Wan 'er, Fan Xian also married Si Lili. In order to protect Fan Xian, Si Lili had even been tortured twice. In the end, Si Lili married the Northern Qi Emperor, Zhan Doudou, and became the Northern Qi Imperial Consort. She also took on the responsibility of raising Fan Xian and Zhan Doudou's daughter, Red Bean Rice. Fan Xian and Si Lili had a good impression of each other, and Si Lili also fell in love with Fan Xian. Fan Xian's feelings for Si Lili were also expressed in the fact that he had helped Si Lili understand medicine and used the fate of the country to save a woman. Thus, there was a complicated love story between Fan Xian and Si Lili.
In the 44th episode of " Celebrating Years," Fan Xian and Si Lili were captured while fleeing. Fan Xian was imprisoned in a cell, while Si Lili was brought before the Qing Emperor. The Qing Emperor had ordered Fan Xian and Si Lili to be publicly beheaded. However, Cheng Jushu and a group of masked men in black had invaded the main hall, causing Jingdou to be in chaos. The Emperor ordered the government to take the prisoners away. As for what happened, the plot did not explain in detail.
The ending between Fan Xian and Si Lili was that Si Lili married the Northern Qi Emperor, Zhan Doudou, and became the imperial consort of Northern Qi. In order to protect Zhan Doudou and Fan Xian's daughter, Red Bean Rice, she had taken on many responsibilities and difficulties. Si Lili's true identity was a Northern Qi spy in the Qing Kingdom and a Northern Qi noble consort. She used her status as a courtesan to gather information. Although Si Lili had feelings for Fan Xian, she chose to marry Zhan Doudou, and Fan Xian ultimately did not get together with Si Lili.
Fan Xian and Si Lili's specific chapter information was not explicitly mentioned. Thus, it was impossible to determine the specific chapters of Fan Xian and Si Lili in the novel.