Jian Yun is a ghost,
A ghost who has forgotten everything,
A ghost trapped next to Chenxin.
(I don't know how to give an introduction, so let's leave it at that)
It's the third daughter, it doesn't involve other original characters (there may be guest appearances), the plot follows the original novel and anime
Update: Suiyuan, short story (for details, see the eldest daughter)
Intention: Simply write cp