From One Peace Books:
Behold, a great detective who thrills the world by solving impossible cases in no time! His name? Keiichiro Nagumo. But all of that was over a decade ago. Now he’s just your typical middle-aged dude. Nagumo is behind the times to the point that he doesn't even know what a smartphone is. But out of the blue, he is confronted by a high school girl named…
IGARASHI Masakuni
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