Mei and Yuzu study together at their house so Yuzu can place in the top 100 on their exams and keep their grandfather happy. However, after their kiss of mutual yearning, Yuzu can't concentrate at all.  Steeling her resolve she asks Mei what that kiss meant only to get coldly brushed off. Feeling depressed, Yuzu heads to an arcade with Harumi, but her mind's distracted. There, she reunites with her childhood friend, the second year middle schooler, Mizusawa Matsuri.
If I had to say, she's 
more like a little sister.
Eher so was wie meine kleine Schwester.
Si tuviera que elegir,
es más como una hermana menor.
Si tuviera que describirla,
es más como una hermana menor.
Ouais, enfin, je la vois plutôt
comme une petite sœur.
Melhor dizendo, é mais
como uma irmãzinha.
Ну, скорее она была
мне как младшая сестра.