In the process of investigating Director Shindou's murder, Nishinosono and Saikawa learn the details of Shiki's multiple personalities and the murder of her parents that took place 15 years ago. The two of them try to figure out what she was thinking in order to find a clue.  In doing so, Nishinosono is forced to confront her own past.
But Michiru is the only one that wasn't dead.
.ولكن ميتشيرو هي الوحيدة التي لم تكن ميتة
Aber Michiru war kein Toter.
Aunque Michiru no se trataba de un fallecido.
Aunque Michiru no se trataba de un fallecido.
Sauf dans le cas de Michiru.
Soltanto Michiru non era un defunto.
Apenas a Michiru não era
 alguém que já faleceu.