Solving the Case is Slightly Bitter, My Sister is Super Sweet.

Summary

In a hypnosis session, Lin Xuan and Professor Qian investigate Yuan Cui Ling's mysterious experiences with her husband and an unknown high school classmate. Through careful questioning, they discover the potential use of remote hypnosis techniques involving video chats, background music, and specific environmental conditions. The investigation reveals a sophisticated method of psychological manipulation, with hints of a hidden perpetrator who may have used unconventional means to influence the couple's mental state and behavior, potentially through an unexpected object in their home.

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