This is the house where two households, a family of five together. A living room and a dining room on the first floor have the area of 22 mats(36.3 square meters). The cross-sectional plan was adopted to the living room, dining room(1st floor) and family room ( 2nd floor) to unit them by fittings. That can be opened or shut to the well.
The glazier roof was used for the front door in the direction of north and south, and polycarbonate board was insorted to the interior side. While a heat insulation performance increase by it, sunlight diffuses and soft light shines on the door.

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