Yu Zui: From Rookie to Sign-In King

This novel blends the System genre with police-and-crime fiction. Yu Zui, a rookie at the police academy, accidentally activates the [All-Around Police Sign-In System]. In settings such as a detention center, survival in Binhai City, and special operations, he triggers sign-ins by completing specific tasks or visiting key locations, earning skills such as expert combat, logical deduction, and criminal psychology, along with enhanced physical abilities and special items. With help from the System and his own street-smart, clever, ruthless nature, he repeatedly pulls off extraordinary feats in real-world operations, from infiltrating drug dens and solving cold cases to pursuing criminals across borders. He grows from a rookie fighting to survive against the odds into a police legend. Staying true to the original’s essence, the novel delivers the exhilarating power fantasy of having a System while delving into the realities of criminal investigation and anti-narcotics work. Through battles of wits against villains and the bonds between brothers, it tells the story of a rising star’s comeback in the police force.