These buildings are of simple style before hisashi (eaves or aisles) was developed, which consisted of only moya (the core of a building with only post and roof) of 3.6 m wide in a simple style without hisashi.
これらの建物は梁行二間の母屋（もや：主構造が柱と屋根の屋）だけで作られており、廂（ひさし）がまだ発達していない簡素な様式であった。