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.
Something a librarian would treasure...
Der Schatz
des Archivverwalters?
Un objeto valioso
para un bibliotecario…
OBJET IMPORTANT
DU GÉRANT
DES ARCHIVES…
ALGO QUE UM BIBLIOTECÁRIO VALORIZARIA