This is a novel that integrates reasoning, suspense, campus, magic, family, friendship, and growth. It takes the growth experience of the heroine Wei Lan as the main line and the detection of cases as the secondary line. After she experienced many cases, the deception of relatives, and the friendship between friends, she finally gradually grew from an ignorant young detective to a real detective. This novel can be regarded as either a novel or a series of short stories, because it is composed of cases one after another. Each case can be regarded as an independent article, but the chapters follow the development of the plot and are coherent. There will be murder plots in the article, but it is not scary. The main reason is that reasoning and clues account for a larger proportion.