In search of Hanako's secrets, Nene and Kou enter the fifth Wonder, the 4 O'clock Library. It's books contain the past and future of every student their school has ever had, but some knowledge comes at a price.
and black ones are for
dead people, or so I heard.
Und die schwarzen
den Toten, richtig?
los negros son para los muertos.
y los negros de los muertos,
o eso me han dicho.
Les noirs, les personnes décédées…
Os livros pretos
falam sobre os mortos.