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.
Do you know the difference 
between kindness and love?
هل تعرفين الفرق بين اللطف والحب؟
Kennst du den Unterschied
zwischen nett und herzlich?
¿Conoces la diferencia 
entre el amor y el afecto?
¿Conoces la diferencia 
entre el amor y el afecto?
Tu connais la différence
entre gentillesse et amour ?
Conosci la differenza tra gentilezza e amore?
Você sabe a diferença 
entre gentileza e amor?