The story of a detective agency that sniffs the incident and sets out to make a profit, but eventually works hard for justice. Nanase Goro, who is good at staking without sleeping and has been nicknamed "Nezumi", is a member of the Akatsuka detective agency. He is tasked with stealing a floppy disk containing confidential data from a pharmaceutical company and locating the criminal who threatened him, but he doubts the company's attitude and sets out to find out the hidden truth. Goro fell in l...