A hall for classical music on the 5th floor of the main building of Aobadai Tokyu Square South-1. The hall has a shoebox type without a proscenium arch, which is represented by the four major halls in the world. Even from the scale of 500 seats, the audience seats and the stage are integrated to create a sense of intimacy not only in sound but also visually. You can enjoy the overflowing performance.