The walls are designed according to franchise, as well as the flooring. The gravity is normal here... There doesn't appear to be a door for Room B1.
Secondary Hall is the second floor of The Place. Here, characters can transfer from one place to another. This hallway contains the Chowder(B1), Kotoura-San(B2), Powerpuff Girls(B3), Sailor Moon(B4), Foster's Home For Imaginary Friends(B5), Coco(B6), Dr.Who(B7), and Back To The Future(B8) franchises.