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.
If you want to quit, then quit!
!إن كنت تريد المغادرة فغادر
Hören Sie doch auf,
wenn Sie das wollen!
Si quieres renunciar, deberías hacerlo.
Si quieres renunciar, deberías hacerlo.
Si vous voulez arrêter, faites-le !
Se vuol smettere, non è meglio che lo faccia?
Se quer desistir, apenas desista!