I don't know which novel 'Li Si and Li Sinian' is. If you can provide more information such as the name of the novel, author or other keywords, I will try my best to provide you with a more accurate answer.
The name Li Si Nian appeared in many novels, but the most famous one was probably the male lead Xiao Yan in 'Battle Through the Skies.'
Si Lili had been tortured in the drama " Celebrating Years." According to the plot, Si Lili was imprisoned and tortured. Fortunately, Fan Xian arrived in time and stopped the interrogation. The reason Si Lili was punished was because she knew that the mastermind behind the Niulan Street assassination was Lin Gong, and in order to protect Fan Xian, she chose not to betray him. This plot was portrayed in the play as a manifestation of Si Lili's loyalty and courage to Fan Xian.
The child Si Lili was carrying was Fan Xian's. Whether it was the novel or the TV series " Celebrating Years," Fan Xian and Si Lili had a legendary love story. Even though Fan Xian had left the Qing Kingdom, their feelings had not drifted apart. On the contrary, they had grown even deeper. After Si Lili became pregnant, Fan Xian returned to the Qing Kingdom. The relationship between the two was elevated. Thus, the child Si Lili was carrying was Fan Xian's.
In the novel, Si Lili ended up marrying the Northern Qi Emperor, Zhan Doudou, and became the Imperial Consort of Northern Qi. She and the Northern Qi Emperor had a daughter named Red Bean Rice. Although Si Lili liked Fan Xian, she chose to protect the interests of Northern Qi and Zhan Doudou. In the end, she married Zhan Doudou and became the imperial concubine.
In the novel, Si Lili ended up marrying the Northern Qi Emperor, Zhan Doudou, and became the Imperial Consort of Northern Qi. She and the Northern Qi Emperor had a daughter named Red Bean Rice. Although Si Lili liked Fan Xian, she chose to protect the interests of Northern Qi and Zhan Doudou. In the end, she married Zhan Doudou and became the imperial concubine.
There was no clear distinction between good and bad in Si Lili in Celebrating Years. Her starting point was for her own country. She liked Fan Xian, but in the end, they could not be together. She was married to Zhan Doudou, the Emperor of Northern Qi. In reality, she was a daughter. She had feelings for Fan Xian and had a daughter, Red Bean Rice. Si Lili's role was complicated. She was a descendant of the Qing royal family and a secret agent of Northern Qi. She had to play multiple roles for revenge. Although she had some actions that people did not understand, she also had her own righteousness and hard work. In general, Si Lili's character in the movie was a character that people admired and felt sorry for. She was not a clear good or bad person.
During the Qing years, Si Lili was a spy sent by Northern Qi to the Qing Kingdom. She was also the person the Qing Kingdom wanted to kill the most. She had experienced many difficulties and pains in the play, but she had always maintained her intelligence and wit. She had been tortured twice to protect Fan Xian. She would rather be tortured than betray Fan Xian. Her identity was gradually exposed in the drama. In the end, she married the Northern Qi Emperor, Zhan Doudou, and became the Imperial Consort of Northern Qi. She and Zhan Doudou had a daughter named Red Bean Rice. Although Si Lili loved Fan Xian deeply, she chose to protect the interests of the country and Northern Qi. In the end, she did not get together with Fan Xian.
Si Lili was a supporting actress in the TV series " Celebrating the Past ", played by Li Chun. She was a descendant of the Qing royal family and had been sent by Northern Qi to spy on the Qing Kingdom. Si Lili played the role of the Northern Qi imperial concubine and spy in the play. She yearned to live with dignity, but Prime Minister Lin's men forced her to confess and imprisoned her in the dungeon of the Inspectorate. Even though she had a crush on Fan Xian, in the end, she did not get together with him. Instead, in order to protect Zhan Doudou, she married Zhan Doudou, who was also a woman. She helped Zhan Doudou keep the secret and raised Zhan Doudou and Fan Xian's daughter, Red Bean Rice. In the end, Si Lili's identity was exposed and she became the Imperial Consort of Northern Qi.