He is the head of the Imperial House of Japan.
From there the treasures passed into the hands of the Imperial House of Japan.
Hisahito was the first male child born to the Imperial House of Japan since his father in 1965.
Though this may have been true in Europe, the Imperial House of Japan is, in fact, much older.
She is a member of the Imperial House of Japan through marriage.
Komori thought the publisher of the story showed disrespect for the Imperial House of Japan.
Chrysanthemums are the symbol of the Imperial House of Japan.
This bureaucracy is concerned with Imperial House of Japan (Japan's imperial family).
The emperor is the head of the Imperial House of Japan.
The Imperial House of Japan is the oldest continuing hereditary monarchy in the world.