I don't know if it's either the author's way and style of writing or the translation work of it, but I really love the narrative structure and how it was written-- straightforward, pacey, and even the raving part was not a problem to me. The case was more complicated and honestly I love it better that The Silent Dead. So in love with Mamoru Kusaka (he was in The Silent Dead too but only indirectly teamed up with Himekawa during Otsuka's murder case)! His investigation part was more vast and detailed and I actually like his way more than Himekawa-- thorough and fast.
Loving the various perspectives-- from both Himekawa and Kusaka, Kosuke Mishima and also Ken Takaoka (Ken's view even when he's dead, reading his story making me understand more on the real motive behind the crime). I appreciate that the author also giving highlight to minor characters like Kikuta and Hayama, and I really dislike Ioka's personalities-- his verbal/physical sexual harassment is too much.
The work bickering of ranking and power, though a bit stressful to read but it really depicted a real perspective of bureaucracy and authority levels in an organization. I like Kusaka's attitude and way of dealing with privacy and work. Stories of past and their motivation to join the police force was one of the sub-plot that I admired the most.
Another twisty and mindblown case (think it was more 'procedural' compared to The Silent Dead). Fraudster and threats, suicidal and murder, and how one's love and responsibility could lead to a horrific ending :/