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.
As long as it doesn't infringe 
upon any social norms,
،ما دام الأمر لن ينتهك أيّ معايير اجتماعيّة
Solange es nicht gegen
gesellschaftliche Normen verstößt,
Mientras no infrinja ninguna norma
social, cada uno podrá pedir una cosa.
Mientras no infrinja ninguna norma
social, cada uno podrá pedir una cosa.
Donner un ordre à l’autre,
dans la limite du raisonnable.
Ricordandoci sempre
di rispettare le norme sociali,
Desde que não infrinja
nenhuma norma social,
Мы можем потребовать
друг от друга что-то одно,