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.
Does your family know you look 
at your little sister sexually?
Weiß deine Familie, dass du scharf
auf deine Schwester bist?
¿Tu familia sabe
que ves a tu hermanita con esos ojos?
¿Sabrá tu familia
que ves a tu hermanita con esos ojos?
Ta famille a pas remarqué
que tu la vois d’un œil intéressé ?
Sua família sabe que você
vê sua irmã sexualmente?
Твоя семья знает, что тебя
сексуально интересует твоя сестра?