Ore No Sora - The Detective SagaMy Sky - Detective Arc; 俺の空　刑事編; Ore no Sora - Keiji Hen; The Sky is Mine - The Detective Saga; My Sky - The Detective Saga

(from ebookjapan):Ippei Yasuda, heir to the Yasuda Zaibatsu, is back as a detective! Despite being a rookie, Ippei takes on cases head-on, but is confronted by the unreasonable crimes of those in power. Will Ippei be able to maintain his manly justice?