The Kansai area is proceeding with their Muslim-friendly services for the many Muslim tourists, and as a part of this activity, a prayer space newly opened in Kansai Tourist Information Centre.
http://www.tic-kansai.jp/en/shinsaibashi/
It is located on the 3rd floor of Tommy Hilfiger Shinsaibashi store near Dotonbori, inside the Shinsaibashisuji shopping arcade. The multifunctional space in the floor map is the prayer space, which is divided into 3 separate rooms. The ostomate in the multifunctional bathroom is to be used for Wudu.