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.
Once the problem's solved,
I can just appoint them again.
Wenn das Problem gelöst ist,
Cuando se resuelva el problema
Cuando resolvamos el problema,
volveré a nombrar a los misterios.
Mais il faudra élire
de nouveaux mystères après.
Quando o problema for resolvido,
poderei designá-los novamente.