Kyokou Suiri (published internationally as In/Spectre ) is a unique supernatural mystery series written by Kyo Shirodaira . The story revolves around Kotoko Iwanaga

Here is the central thesis of Kyokou Suiri that sets it apart from Death Note or Monster: There is no single objective truth.

Example from the first arc:
A yokai is blamed for an accident. Kotoko proves it was a human's fault, then invents a false but logically consistent chain of events to satisfy both sides.

which defines the series' unique approach to detective work. Instead of finding the true culprit, the protagonist, Kotoko Iwanaga