After concluding their talks with Crusch, Subaru and Emilia return to the village of Arlam, intending to report to Roswaal and discuss what to do next. But they find Arlam deserted and learn that the villagers who had taken refuge in the Sanctuary with Ram have not yet returned. When Subaru and Emilia arrive back at Roswaal's mansion to find out where the Sanctuary is, they are greeted by Frederica, a young woman who used to work as one of Roswaal's maids.
You might randomly encounter her 
when opening a door somewhere.
قد تصادفينها عندما تفتحين باباً في مكان ما
Wenn du irgendwo eine Tür aufmachst,
triffst du sie vielleicht.
Tal vez la encuentres por casualidad
al abrir una puerta.
Tal vez la encuentres por casualidad
al abrir una puerta.
Tu pourras peut-être tomber sur elle
en ouvrant une porte au hasard.
Potrebbe capitarti di incontrarla per caso
aprendo una porta qualsiasi.
Talvez você a encontre
aleatoriamente ao abrir uma porta.
Вдруг ты откроешь дверь,
а за ней окажется её библиотека?