Although Gu Huaijin's words sounded somewhat absurd, Gu Xiyue still believed them to a great extent.
Being a member of the Mysterious Sect herself, she knew that the Soul Exchange Technique existed among the Forbidden Techniques of the Sect.
Therefore, she guessed that Gu Zhiqi must have been subjected to the Soul Exchange Technique, her body taken over by someone else.
Perhaps out of fear that Gu Xiyue might feel unsettled, Gu Huaijin even promised to send Gu Zhiqi away and assured that he would not bring her back to the Gu Family until the real her returned.
In the end, Gu Xiyue still let Gu Zhiqi off the hook.
One reason was a certain suspicion in her mind.
The other was her curiosity about what kind of person the real Gu Zhiqi was, to make the Gu Family tolerate a different soul for two years, just waiting for her return.
Yu Luowan, upon hearing Gu Zhiqi's words, was momentarily confused, "Hm? Different? What's different?"