This is a reproduction of the house in his father's native Chofu in which the family lived after being driven from Edo and placed under house being confined to their house after his father proposed a reformation of the domain at his master's request that displeased the high ranking retainers.
藩主の要請で藩の改革を提言したところ、そのことを快く思わない幹部藩士に陥れられ、一家は江戸を追われ閉門蟄居の身隣となり、その後、国元の長府で暮らすことになったときの住まいを再現したものである。