Detective Mitarai's Casebook: The Clockwork Current (2016)
Also Known As: 探偵ミタライの事件簿 星籠の海 , Tantei Mitarai no Jikenbo Seiro no Umi , Private Detective Mitarai’s Case Files: The Clockwork Current , Seiro no Umi Tantei Mitarai no Jikenbo , 星籠(せいろ)の海 探偵ミタライの事件簿 , 星籠の海 探偵ミタライの事件簿
Private Detective Kiyoshi Mitarai and Miyuki Ogawa arrive in Fukuyama, Hiroshima Prefecture. They are interested in a case which involves discovered bodies. The bodies were found drifting in the Seto Inland Sea, where the currents repeat every 6 hours.