The third floor Japanese-style "Onari-no-Ma" room (not open to the public) is a Momoyama-style shoin-style room with an alcove, an alcove, and a separate study room.
The window on the north side is a hwatou window with a gracefully curved apex, as seen in temples.
The top floor of the Western-style building offers a spectacular view of the Higashiyama mountains.