"Hiruko" is a living creature hidden in the darkness. What is the fear that this earth will bring when it appears? ? The ultimate and ultimate psycho-thriller presented by mystery master Ryoko Takashina! !

The main character, Aoi Kusanagi, is a profiling user who works in the Investigation Division 11 of the Metropolitan Police Department . The story begins when a new detective is assigned to the profiling section of the Metropolitan Police Department, where Aoi Kusanagi is. It is a story of Aoi Kusanagi solving a number of bizarre murders using profiling, an investigation method that requires extremely reasoning power to identify the criminal from the psychological state of the criminal and the slightest evidence of the scene.

For admin [info](https://www.shogakukan.co.jp/comics/detail/_isbn_4091255418)

Koutenken's upper body is finally that of a human's except for the ear and tail. Now he swears he's going to get it on with Youzen...

Vol. 1: Onna no Mondai Teiki (2002) Vol. 2: Onna no Mondai Teiki Sex Hen (2002) Vol. 3: Onna no Mondai Teiki Jiken-hen (2003) Vol. 4: Onna no Mondai Teiki Kekkon Trouble Hen (2004)