In the real world, Hikaru has disappeared, and everyone has forgotten he exists.  Futaba visits his insane mother, hoping to get some answers..
You study so much every day 
and you still don't know?
Du lernst jeden Tag so viel
und weißt es trotzdem nicht?
¡¿Estudias tanto y aún no lo sabes?!
¡¿Estudias tanto y aún no lo sabes?!
Studi di continuo tutti i giorni e non ne hai idea?
Estuda tanto e não sabe?
Молчишь, хотя так усердно занимаешься?