Ministry of the Imperial Household
The Ministry of the Imperial Household (宮内省, Kunai-shō) was a division of the eighth century Japanese government of the Imperial Court in Kyoto, instituted in the Asuka period and formalized during the Heian period. The Ministry was reorganized in the Meiji period and existed until 1947, before being replaced by the Imperial Household Agency.
Source: Wikipedia — Ministry of the Imperial Household (CC BY-SA 4.0)