She comes looking for disciple from the outer door of the Heng Yue Sect and Ye Chen is recommended to her by Xu Fan. She tells him if he succeeds in entering the inner door, she will take him as a disciple.
Chu Linger is Chu Xuaner's sister.
(Source: Banished disciple's counterattack Wiki)
Content compiled by AnimeList.moe from publicly available sources.
