The system such as a real estate object, of a housing space of residential housing space display data including information, including information of a housing space provided in a housing space display data and embedded shape of each piece of the furniture furniture display data containing including information has a database for storing. Purchase S600 for terminal, said each data based on interior of housing space can be as a virtual space, said viewpoint position in virtual space for manipulating manipulation menu with while offering browser, such as the Internet provides each data said through.