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Synopsis:

n the big city, drug crimes run rampant. Eto Kai and Kurabayashi Haru are two newcomer investigators who fight against them. In order to save the people from modern society, poisoned with drugs, the two turn to face an invisible enemy... (manganews.net) Volume 2 also contains Bonus Manga Volume 6 also contains two extra stories: Early Days (about Kajiyama, Hiki and Narita, 10 years earlier) Bonus Feature (It's Valentine's Day at the NCD!)