I Start by Pretending to Be a Detective

Bai Yu was brought by the system to a parallel world of high crime. The first solo show, detective theory competition, answer one hundred detective theory questions correctly in a row! The theoretical competition ended because there were no preparatory questions. With the help of the system, you can acquire: proficiency in the languages ​​and cultures of various countries, and proficiency in various criminal skills in mathematics, physics, and chemistry. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.