The Kokyu palaces of the Imperial court in China functioned as a place to have a domestic life for the emperor, and to live for his empress and the hihin (princess, noble's concubine, and court ladies) in the shared living environment.
中国で後宮とは宮廷内で天子が家庭生活を営む場所であり、また皇后以下、妃嬪が暮らす場所でもあった。