The grey flat surface and the cuboid elements interpret the coexisting tranquility and dynamic flow in this living space for retirement. The designer applies a new technique handling cement mortar for a special texture, to depict the simplistic lifestyle of the owner. RC structure and polished mortar are the main materials. With natural lighting introduced, its multilayers reach a harmonious balance between still and fluid architectural expressions, with techniques overlapping, forming, deconstructing and whirling the geometric shapes and solid figures.