The book with the protagonist surnamed Ye was "Celebrating My Years, My Name Is Wang Qinian." It was a light novel and had nothing to do with Xianxia. The other book was "Pick up a Luna as a Wife." It was a game and had nothing to do with Xianxia. The book about Jiu Tianxuan and his sister was "The Supreme Phoenix Concubine", which belonged to the category of "Xianxia" and "Xianxia". Therefore, the answer was, yes, Jiu Tianxuan and his sister were part of the plot of the school fairy novel,"The Phoenix Concubine is Supreme." I hope you like my recommendation. Muah ~