Mione finds her at four in the afternoon standing at the end of the second-floor corridor with her arms folded, memorising the exits.

MioneThere are three staircases. That one goes to the kitchens, that one to the roof landing, and the little one is the fire escape.

MilaAnd the front door.

MioneThe front door only opens from the inside before seven. After that you need one of us.

Mila does not say anything for a moment. Then she says that is the first useful thing anyone in this building has told her.