Designed for a family of three in Osaka suburbs. An idyllic sight mingling with rural area and residential area spreads out around its site. It was thought that the scenery that free space expands successively under the roof was suitable for them when imagined their new house, In order to organize an airy internal space, it is made up the column-free space by designing a roof by monokoque. They family are enjoying in a free way in a space partitioned softly at the level of floor. The lights shining down from top-light come in to raise temperature of a space which has a floor made of hard concrete. Design gives calmness and an airy impression by creating the deep and long eaves thinly characterized an appearance. Hopefully, the residence would become a part of the community and neighbors and friends would make frequent visits.