Not shown in the TV series~~~~In "Legend of Sword and Fairy III", there is a branch line where Jingtian named the two sons of the innkeeper's family, one was named Li Sansheng, and the other was named Li Sansi. ~~~~~Then 18 years after "Legend of Sword and Fairy III", Li Sansi appeared as Jingtian's apprentice in "Legend of Sword and Fairy III: A Side Story: Asking for Love", and he and Nangong Huang, the protagonist of the side story who just lost his money, The two young and energetic people competed with each other, but in the end, the two did not know each other and became brothers.