As the limited allowable building density, our challenge was to ensure that an outdoor connection does not affect observation from inside of the house. The project site is located on a high hill, we take advantage of this good nature condition to divide connecting traffic routes outside by altitude. Motor traffic approaches from site’s rear embankment, pedestrian access from the main road which is connecting the building directly. This proposal ensures spatial continuous field between inside and outside of the house, also maximizing the connection between living activities and surrounding environment.