Detectives These Days Are Crazy!

Keiichirou Nagumo is a name the detective world hasn’t forgotten. In high school, he earned a reputation as a prodigy for solving cases even the police couldn’t crack—though lately, word on the street suggests those glory days are behind him.

Everything shifts when Mashiro, a lively high schooler, storms into his office and insists on being hired as his assistant. Nagumo tries to turn her away, but her determination doesn’t waver. Set on becoming a detective, Mashiro brings him up to speed on modern tech and offers a new way of looking at the work, pushing Nagumo into an unexpected new phase of his career—and a steady stream of surprises from the next generation.