In the express delivery box, there were only three things: a fruit knife covered in dried blood, a tape soaked in blood, and a small tape recorder with blood fingerprints all over it. They were neatly arranged in separate transparent plastic bags, but they exuded an ominous aura.

Kiyomi Ruri was stunned for a moment before realizing what it was. So, there was indeed an accomplice in the "fraudulent resignation case" as Nanahara Takeshi suspected. But what did this accomplice mean by sending these... these pieces of evidence?

Were they planning to turn themselves in to the famous detective?

Or were they making a statement?