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...
Actually, I've got a big sponsor that 
wants Maru-chan to star in a commercial.
في الواقع، لديّ راعٍ كبير يريد من مارو-تشان 
.أن يلعب البطولة في إعلان تجاريّ
Die Sache ist: Ich habe einen großen Sponsor an der Angel,
der eine Werbung mit Maru-chan drehen möchte.
Verán, hay un patrocinador
muy importante que quiere
Veréis, hay un patrocinador
muy importante que quiere
J’ai reçu une proposition
de publicité pour toi
In realtà, c'è un grande sponsor che vorrebbe
che Maru-chan recitasse in una pubblicità.
Na verdade, tenho um grande patrocinador que
quer Maru-chan estrelando um comercial.
Дело в том, что я нашёл 
щедрого спонсора,