Sachi is worried about Hiro, so she brings Erika along to follow her and learn about her.
That Segawa-san person 
I met at the festival...
...سيغاوا-سان تلك التي التقيتها خلال المهرجان
De la fille
qu’on a croisée au festival !
Segawa, quella che ho incontrato al festival...
Aquela Segawa-san
que conheci no festival...
эта Сэгава, которую
 мы встретили на ярмарке,