We received only a simple brief from the owners who gave us “a boundless freedom to design a unique house as if it were our own.” Liberated from external constraints, we were free to study and develop a style of architecture that we were personally interested in. Over the last 5-10 years, we have seen that a certain architectural language, in which the external wall and the ceiling converge into an oblique angle, is becoming popular, especially in commercial buildings of real estate projects. However, apart from being on the exterior, this architectural language never appears in the interior of those buildings which are still mostly dominated by an ordinary perpendicular and parallel layout. That being the case, we are curious to see if it is possible to apply this language to other design aspects rather than just for a decorative purpose. From our perspective, to make an architecture express the language as clearly as possible, we have to start from the plan design and the structure. Once the language has been successfully integrated into these two areas, the other elements such as the floor, the wall, the roof, the exterior, and the interior will naturally conform in unison to the style.