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

Summary

Lin Xuan investigates a series of mysterious terror events involving four victims aged 29-30, each connected to a supernatural incident in Bi Wen Hua's manga. He theorizes these events are part of an elaborate revenge plot, where the victims might have previously committed murders. The perpetrator seems to be deliberately guiding police investigation, leaving intentional clues and potentially using the manga as a method to expose or draw out additional unknown individuals involved in past crimes. The investigation centers on uncovering the connection between these seemingly unrelated victims and understanding the killer's ultimate motivation.

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