Detectives These Days Are Crazy!

Once a legendary detective, Nagumo Keiichiro now navigates middle age, baffled by smartphones and the trappings of modern life. His quiet decline is jolted when Mashiro, a bold high school girl, storms into his office, insisting she become his apprentice. Though he's rusty and set in his ways, her relentless enthusiasm drags him back into detective work. Thus, the gap-bridging detective duo takes the case together.