"Let's meet at the place where it all began." The true plot is revealed as Takuru travels to the Hikariwo. There he eets the other person behind the series of brutal killings.  But a deeper mystery lurks in the background: what Serika is telling him doesn't make sense, and he's convinced that as horrible as the story is, there's more to it than even he knows.
Mom and Dad were trying to
take me and evacuate.
كان أبي وأمّي يحاولان إخلائي
Damals wollten mich Vater und Mutter
mit zum Evakuierungsort nehmen.
Papá y mamá intentaron convencerme
de que me refugiara con ellos.
Papá y mamá intentaron convencerme
de que me refugiara con ellos.
Mon père et ma mère voulaient
m’emmener en lieu sûr.
In quel momento, i miei genitori
Meus pais queriam 
me ajudar a evacuar.