Ishi no Mayu

Title: 石の繭
Title (romaji): Ishi no Mayu
Format: Renzoku
Genre: Suspense, mystery, crime
Episodes: 5
Broadcast network: WOWOW
Broadcast period: 2015-Aug-16 to 2015-Sep-13
Air time: Sunday 22:00

Synopsis
The body of a person who died an unnatural death is discovered encased in mortar like concrete in the basement of an abandoned building. Why was the person murdered this way? The next day, the investigation task force receives a phone call from the criminal who calls himself Tremi during a meeting to discuss the investigation of the case. Then, in a short time after her transfer to the First Investigative Division, Kisaragi Toko becomes the negotiator. Tremi mocks and provokes the police while offering hints regarding the murder. A second murder soon occurs just as Tremi had warned. The victim's head has been covered with concrete as they had expected. What is the criminal's motive and why is the criminal fixated with concrete? The criminal's surprising actual target soon emerges... -- Jdrama Weblog

Cast
Kimura Fumino as Kisaragi Toko
Aoki Munetaka as Takano Hideaki
Watanabe Ikkei as Hayase Yasuyuki
Hira Takehiro as Kadowaki Hitoshi
Kitami Toshiyuki as Tokushige Eiji
Koyanagi Yu as Birukawa Keisuke
Furukawa Yuki as Yokoi
Kanno Misuzu as Kisaragi Atsuko
Danta Yasunori as Kamiya Taichi
Nakamura Toru as Kisaragi Isao