campus detective

A male student in the second grade of high school was killed, who would be the murderer?What would be the reason for the student's killing?Under the contempt of the police, who will his sister and the teenager who is called a detective in the campus find out as the final murderer?Content tags: suspense reasoning, modern fiction, flower season, rainy season┃ Search keywords: protagonist: Lu Ze┃ Supporting roles: Yu Zixi, Shangguanxi,