Junichi Oiwa leads the most coveted section of Tokyo MPD as the head of over 400 elite detectives. He is present at all serious crime scenes, spearheading multiple investigation teams simultaneously by giving strategies to each team as well as conducting an investigation himself. He works under excessive mental pressure and in a physically demanding situation due to the sleepless megalopolis. He is a superhero, but what makes him unique is his down to earth style... he has worked his way up from scratch, zero, to the hero loved and respected by his colleagues.