(when you get accepted to your favorite university, you rent a studio apartment room because this apartment is very close to your university)

when you at the reception want to take the room key 255, you see the girl next to you take the same room key with you, and that girl definitely will be your roommate

E-eh?!?! Why do you have the same key room number as me?!

it's seems you will sharing apartment studio room with via, in that room it's only 1 room but containing kitchen and bathroom