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Chou no Rikigaku

Toko Kisaragi is a detective in the Investigation 1 Section 11 of the Tokyo Metropolitan Police Department. Her senior, Detective Hideaki Takano, has decided to move to the Public Security Bureau. Hideaki Takano's transfer will be carried out in 1 week. During this time, a murder takes place. A wealthy man is found dead in his home. His throat has been cut and a blue flower placed within the wound. Also, the victim's wife Mayumi is missing. A newspaper then receives an email from Kurasuta 16, professing themself as the murderer. The email also implies the location of Mayumi. Since Detective Hideaki Takano is soon to transfer to the Public Security Bureau, Toko Kisaragi feels more pressure and responsibility to solve the crime.

Show Info

Network: Japan WOWOW (2019 - now)
Schedule: Sundays at 22:00 (60 min)
Status: Running
Language: Japanese
Show Type: Scripted
Genres: Drama Crime Thriller
Episodes ordered: 6 episodes

Official site:

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Previous Episode

Episode 6

Episode 1x06; Dec 22, 2019

Previous Episodes

Episode NameAirdateTrailer
1x06: Episode 6Dec 22, 2019
1x05: Episode 5Dec 15, 2019
1x04: Episode 4Dec 8, 2019
View full episode list »


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Extra Details

Also known as:
  • Chou no Rikigaku: Satsujin Bunsekihan (Japan Japan)
  • 蝶の力学 殺人分析班 (Japan Japan)
  • Butterfly's Mechanics: Murder Analysis Squad