Yu Zui: from Rookie to Signing King

This is a novel that combines system flow and police and criminal themes. Yu Zui, a rookie at the police academy, accidentally activates the [Police All-in-One Sign-in System]. In scenes such as detention centers, survival in Binhai City, and special service missions, he can trigger sign-ins by completing specific tasks or being in key locations to obtain skills such as combat proficiency, logical reasoning, and criminal psychology, as well as physical enhancements, special props, and other rewards. With the help of the system and his own characteristics of "cheap, smart, and ruthless", he has repeatedly made extraordinary achievements in actual operations such as undercover drug dens, cracking unsolved cases, and cross-border pursuits. He has grown from a rookie who survived adversity to a police legend. The novel closely follows the essence of the original work, not only showing the "cheating" feeling brought by the system, but also in-depth describing the police ecology such as criminal investigation and anti-drugs. In the battle of wits with villains and the bonds of brothers, it composes a counterattack for a rising star in the police world.