In the real world, Hikaru has disappeared, and everyone has forgotten he exists.  Futaba visits his insane mother, hoping to get some answers..
I read Hikaru's diary.
Ich habe Hikarus Tagebuch gelesen.
Leí el diario de Hikaru.
Leí el diario de Hikaru.
J’ai lu tout son journal.
Ho letto il diario di Hikaru.
Eu li o diário do Hikaru.
Я прочла его дневник.