Potsura Potsura is a creative Japanese restaurant near Shibuya Shinsen Station in Tokyo. It offers a seasonal omakase course and a shorter course built around small dishes, with sake and Japanese wine pairings available to order. The counter is often full, and the menu is built around seasonal vegetables and ingredients in season. Courses end at the main dish with no closing rice or noodle course, so the portions are on the small side.