Ishi no Mayu WOWOW Summer Drama 2015

  • Drama: Stone’s Cocoon (literal title)
  • Romaji: Ishi no Mayu
  • Japanese: 石の繭
  • Director: Akira Uchikata
  • Writer: Kazushi Asami (novel), Kensaku Watanabe, Yuuka Arai
  • Network: WOWOW
  • Episodes: 5
  • Release Date: August 16 – September 13, 2015
  • Runtime: Sunsays 22:00
  • Language: Japanese
  • Country: Japan


Toko Kisaragi (Fumino Kimura) is a detective who just transferred to 11 Section of the 1st Investigation Division at the Tokyo Metropolitan Police Department. Her father was also a detective.

A body is found under the basement floor of an abandoned building. The body has been cemented. Detectives hold a meeting to investigate the case. The murderer then calls the investigation headquarters. The murderer introduces himself as Toremi. Toko Kisaragi becomes Toremi’s negotiator. While giving hints about the murder, Toremi also ridicules and provokes the detectives. Toremi then calls and announces a second murder. The second victim is found and that person is also cemented.


  1. Based on the novel “Ishi no Mayu Keishicho Satsujin Bunsekihan” by Kazushi Asami (published May, 2011 by Kodansha Novels).
  2. Related titles:
    1. Stone’s Cocoon | Ishi no Mayu (WOWOW / 2015)
    2. Suisho no Kodo (WOWOW / 2016)


Stone's Cocoon-Fumino Kimura.jpg Stone's Cocoon-Munetaka Aoki.jpg Stone's Cocoon-Yasunori Danta.jpg Stone's Cocoon-Ikkei Watanabe.jpg Stone's Cocoon-Takehiro Hira.jpg
Fumino Kimura Munetaka Aoki Yasunori Danta Ikkei Watanabe Takehiro Hira
Toko Kisaragi Hideaki Takano Taichi Kamiya Yasuyuki Hayase Hitoshi Kadowaki
Stone's Cocoon-Toshiyuki Kitami.jpg Stone's Cocoon-Yu Koyanagi.jpg Stone's Cocoon-Toru Nakamura.jpg Stone's Cocoon-Misuzu Kanno.jpg
Toshiyuki Kitami Yu Koyanagi Toru Nakamura Misuzu Kanno
Eiji Tokushige Keisuke Birukawa Isao Kisaragi Atsuko Kisaragi

Additional Cast Members: