Kohana is made responsible for responding to the concerns and complaints in the opinion box set up at school. Though the surprising number of opinions initially makes her uneasy, Hibiki Kanato agrees to help her. Kanato resolves the various concerns one after another with overwhelming vitality. Meanwhile, Kohana spots Kanato staying up late to practice the cello. Trying to be considerate of his upcoming recital, Kohana tries to handle the concerns alone, but there was something unbelievable written on the last remaining concern!
Beans four days after roasting are best.
الفول يكون في أطيب مذاق بعد الشّواء بأربعة أيّام
Am besten sind Bohnen
vier Tage nach der Röstung.
I migliori sono quelli torrefatti da quattro giorni.
Grãos ficam excelentes quatro 
 dias depois de torrados.