It's nighttime at the Irido residence. Yume has somehow found herself with Mizuto's boxers in her possession. If Mizuto were to find out, it would almost certainly mean she would have to face the punishment of admitting to being the younger sibling. Hoping to avoid this outcome, Yume waits for Mizuto to fall asleep before heading to the bathroom to return his underwear to the laundry basket. But who does she pass in the hallway, but a bewildered Mizuto, mouth agape, with Yume's very own bra dangling from his grasp.
Let's do this before my 
stepsister gets home.
.لنقم بهذا قبل مجيء أختي غير الشّقيقة للمنزل
Solange meine Stiefschwester
noch nicht zu Hause ist …
Vamos a hacerlo antes
de que llegue mi hermanastra.
Vamos a hacerlo antes
de que llegue mi hermanastra.
Ma sœur n’est pas là,
autant en profiter.
Facciamolo prima che
la mia sorellastra torni a casa...
Vamos fazer isso antes que minha
meia-irmã chegue em casa.
Давай по-быстрому,
пока сводной сестры нет...