When didn't Xu get together with Liu Hongluan?

Xu Buling and Liu Hongluan are together in Chapter 47 of Volume 8. Xu Buling and Liu Hongluan are both characters in the novel go princess go. In order to prevent Xu Buling from making trouble in Chang 'an, Xu Buling's father Wang Su entrusted Liu Hongluan to act as Xu Buling's guardian temporarily. With the increase of the days together, the feelings between them have also changed. Later, in Chapter 47 of Volume 8, they confided in each other and opened the screen window together.