This case is an old-fashioned apartment in the cultural and educational district of the city center. Although the location is excellent and has stunning natural lighting on both sides, it is not easy to use due to the old condition of the house, the long and narrow floor, and the single floor of only 22m2. The designer brought different contemporary functional requirements and thinking about space use with professional ingenuity, integrated into the existing buildings with design methods, and transformed the idle miniature single-family buildings into the office of a design company.