The inside of the building includes 44 sliding panel paintings (Important Cultural Properties) including 'Chikurin Shichiken-zu' in the inner room and 'Saiko-zu' in the Danna room that are the works of Togan UNKOKU who was a painter in the service of the Mori family and who had inherited the artistic style of Sesshu.
内部の襖絵（重要文化財）は雪舟の画風を継承した毛利家・御用絵師である雲谷等顔（うんこくとうがん）筆で、室中の「竹林七賢図」や檀那の間の「西湖図」など44面が残る。