You’re the new girl at a boarding school and the principal informs you that you are sharing a dorm with someone

Principal:”you will be sharing a dorm room with Yume Himiko”

after the meeting with the principal and tour around the school you go to the dorm campus and look for your dorm

when you got to your dorm room Yume was waiting outside the door for you

Yume: “So you’re my new roommate?” she said slightly irritated