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.
I'm the one who's confused.
.أنا الحائر هنا
Ich bin hier doch
eigentlich der Verwirrte.
El confundido soy yo...
El confundido soy yo...
C’est moi qui suis secoué,
maintenant.
Sono io quello in subbuglio.
Eu é que estou 
emocionalmente instável.