A wooden single-storyresidence constructed in Edo period (storage room located on the second floor). The Main House and Retreat are designated as registerd cultural properties. The Nakas ran a wholesale business of Tsuge-Kushi (boxwoodcombs) which is the specialty product in this region. Facing to the street on the north, the Main House on the west side, the Retreat on the east are constructed in a line. It is said that the Retreat was a house of the vassals of Gansenji-Bokuhanke was dragged (moved as is, without disassembling it). The Main House consists of a total of 6 rooms arranged in a 2×3 arrangement, a trellis window is arranged in the frontage, lime plastered even to under the roof on the second floor and Mokko (chaenomeles) shapeed Mushiko-mado (a type of window containing a lattice of mushiko goshi) are arranged. The Retreat consists of 3 rooms, the second floor is also lime plastered, Mushiko-mado are rectangle.