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

Summary

In a police compound, handcuffed detainees revealed their ties to a dangerous cult targeting influential individuals, with over a thousand members in the capital alone. Interrogations by Lin Xuan and Elder Qian uncovered a masked leader known only as 'Mister', who employed psychological manipulation for control and brainwashing. A priest's testimony connected the cult to several murders, confirming the sinister nature of their activities. With cult members spread across the nation, the urgency to investigate increased. Lin Xuan realized the need to explore psychological induction techniques, hinting at the existence of a master hypnotist behind the cult's manipulative methods.

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