It has 'Fuji no ma' (room of Mt. Fuji) at the south-eastern side and a main fort 'Tasogare no ma' (room of twilight) with toko (alcove) and tana (shelf) in the north of its layout, and the western side of the construction is divided into several small rooms including 2 jo no chashitsu (tea room in 3.3 square meters area).
間取りは東南側に「富士の間」、その北に床（とこ）・棚をもつ主要室である「黄昏（たそがれ）の間」があり、建物西側は二畳の茶室を含むいくつかの小部屋に分かれている。