[herculysse]

I'm hearing the sound of footsteps.
Possibly all is my syndrome.

Spoiler:

All chapter titles have double-meaning.
For example, Onikakushi-hen means
Demoning away and Hide the Demon.
But why "Hide the demon"?
Because, demonic truth is in hidden part.

Spoiler:

バラバラ殺人の被害者をもう一度よく調べてください。
生きています。
富竹さんの死は未知の薬物によるもの。
証拠の注射器はこれです。

Investigate the victim of the mutilated murder once again.
He's still alive.
The cause of Tomitake-san's death is unknown drug.
This syringe is the evidence.

Yes, It's only K1's deduction.
AND, K1 reached to the true NATURE of Oyashiro-sama.

Think!
It's the first step.