What is the difference between Building A & B ?

They are just beside but the building A has the kitchen and the common places

May I check in on week-end ?

No, the desk is closed. However, you can leave on week-end without problem.

May I share my room with a room-mate ?

No, our rooms are single.

Do the rooms have a windows ?

Yes, at least a large one.

Do you have a private parking ?

No, but there is a public one nearby.