The lot is located in a residential area and is surrounded by neighboring housings, with a mother's house on its west.Requests for the house include: encourages the family to spend time together (rather than isolating anyone) / spatial / bright with plenty of natural light. □PlotThe family space is arranged at the center of the site. （fig.01）The private space is arranged at the edge of the site , and they connect gradually by the one volume. （fig.02）Distance among rooms and curved spaces provide adequate privacy. （fig.03） Each rooms are indistinctly connected to each other via central space. （fig.04）□IndistinctThat indistinct connection is the key concept of this house, expressing the spatial relationship (not on/off relationship) among the rooms. Like a photo out of focus.□Invisible one roomYou can grasp the space visually if the entire space is visible. You can let your consciousness develop the space if not all is visible. Like walking in a path, not sure of what is ahead. □AmbiguouslySpaces divided by straight lines relate to rationally. Spaces connected with curving lines relate to ambiguously. Like a drop of milk in coffee. □ConnectionWhat interests us is how rooms connect to each other, more than how a room is made.What interests us is the “air” that curves, crosses, and diffracts. Like a cloud, constantly moving without having definite shape.