Kariu Rena is thrown for a loop by what she thinks is Chizuru's spiteful behavior toward her.
and return the key to the staff room.
.وأعيدي المفتاح إلى غرفة أعضاء هيئة التّدريس
und gib den Schlüssel
im Lehrerzimmer ab.
e porta le chiavi in sala professori, per favore.
и верни ключ в учительскую.