Lingzhu Cultivation absorbs all the seven emotions and six desires of the six realms, joys, sorrows, separations and unions, creating one body with two sides, the extremes of good and evil coexisting, and the cultivation of immortality is hindered.
So he enlightened the stone lotus under the seat to help him gain enlightenment in the secret realm.
The male protagonist is sliced into completely opposite souls in each world. On one side he is a gentleman and a holy father, and on the other side he is a monster and a yandere. On a daily basis, he beats himself, is jealous of himself, and forces himself to become dark and perverted.
The heroine is a stone spirit who has just regained consciousness. She only has the words "help the master complete the task" in her mind. She is a natural idiot.