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 as we grow,
،ولكن بينما نكبر
Aber mit dem Alter
Pero al crecer, unificamos 
nuestras personalidades
Pero al crecer, unificamos 
nuestras personalidades
Mais quand ils grandissent,
tout ça finit par s’unir
Però, crescendo,
Porém, à medida que amadurecemos,
 tentamos unir todas elas