The stem of Zhijiang comes from the virtual idol group A Soul, which refers to the current residence of A Soul. In reality, it does not exist, nor is it a county-level city "Zhijiang" managed by Yichang City, Hubei Province. In addition, there is "Zhijiang University" in the virtual city of zhijiang city, where members of A-SOUL study.
A-SOUL is a virtual idol group created by ByteDance in the latest annual plan of Lehua Entertainment. Its members are composed of five people: Ava, Bella, Carol, Diana and Irene. In 2020, it was named "Lehua" from 1 1.