The tea room on the middle third floor, which is usually closed to the public.
The first and second floors are completely different from each other, and a Japanese atmosphere prevails.
The windows of the tea ceremony room at that time are inlaid with stained glass with a very rare Japanese pattern.
Cherry blossoms and autumn leaves are depicted on the left and right, respectively, and the light from the outside faintly tints the white of the shoji screens.
These are domestically produced stained glass windows made at the Unozawa Stained Glass Factory during the Meiji period.