Read by Chenrourou

Hello everyone, I am Maimang. You can also call me Maizi. I am a sophomore student. With the help of my father who is a criminal police officer, I set up "Oak Detective Agency" in partnership with my friends. Due to my stubbornness, I have never received investigations into extramarital affairs and debt collection business. As a result, detective work is not much. During a trip, there was a murder case in the secret room, and from then on, we formally embarked on the road of reasoning. Chamber of Secrets Murder, Exchange Murder, Forgery of Absence Certificate (Distant Murder), Serial Murder, Schedule Trick, Disappearing Weapon, Abnormal Motivation, etc., they lead us into one mystery after another

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