I, King of Criminal Investigation, Solving the Rainy Night Serial Murders from the Beginning.

Summary

Summary of the text: A police investigation into the mysterious death of Wang Juan, a young female student who wrote online novels. Witnesses reveal she earned significant income from writing, changed her lifestyle, and had a secretive boyfriend. The police, led by Captain Guan Feng, are interviewing her classmates and seeking information about her background, potential connections, and circumstances surrounding her death. Key persons of interest include Guo Xiao Dong, a teacher who was involved in escorting her once, and her potential hidden romantic relationship.

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