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.
Then she, herself, was the doll?
إذًا هي كانت دمية بذاتها؟
Sie war selbst die Puppe?
Entonces, ¿ella era la muñeca?
Entonces, ¿ella era la muñeca?
La poupée serait donc
le professeur elle-même.
La bambola era... la dottoressa?
A boneca era ela mesma...