It would be a problem if her parents woke up, wouldn't it?

[ She grins, and she looks down to see Kanako's face. She's wide-eyed with terror and confusion. She doesn't know what's going on, but at the same time, she does.

Her body is shaking. Ayase's hand strokes her head, pets her soothingly ]

It'll be alright, Kanako-chan. Your onee-chans will take good, good care of them.