[The terrible guilt and self-flagellation gets going every time she thinks about how she left Euphie alone for this. So she doesn't think about it, with magnificent effort. It's a bit hard when she hears the princess, but...
She's stubborn]
...Out. You should be safe enough in the apartment, but if it'll make you feel better, please go into my room. [Though it hasn't been tested against anything yet, theoretically the runes on her door should make it hold no matter what once shut. So unless these things have learned to use a doorknob...]