Kuroha's younger sisters abruptly visit Sueharu's house to tell him that she has developed amnesia. All her memories from summer break onward are gone, and they stop right when she was about to confess to Sueharu. So she suggests starting over from the moment of her own confession and erasing everything she did during the cultural festival. But Kuroha's behavior is making Shirokusa suspicious...
That's the third daughter, Aoi-chan. 
Middle school first-year.
.تلك البنت الثّالثة، آوي-تشان. طالبة سنة أولى إعدادي
Das ist die Drittälteste, Aoi-chan.
Sie ist im ersten Jahr der Mittelschule.
Ella es Aoi
y va en primero de secundaria.
Ella es Aoi
y va a primero de secundaria.
La troisième, Aoi.
En classe de 5e.
Lei è la terzogenita, Aoi-chan.
Frequenta la prima media.
Esta é a terceira filha, a Aoi-chan, 
está no 1º ano do fundamental 2.
Третья по старшинству — Аой.
Семиклассница.