Searching for Souls in Dreams

[The heroine has no CP, no fish farming, no clichéd rebirth and time travel, only her own step-by-step awakening and rise. Gu Jichuan never imagined that he, an ordinary girl from the countryside, would embark on the path of cultivating immortals, and that he would have entanglements with ghosts in the underworld and gods in heaven. ·Historical fiction may appear inconsistent with myths and legends, please do not go into details, but you are welcome to point out logical loopholes!