PROBLEM TO BE SOLVED : published on the website image of the real estate property between a real estate agent to provide a novel system for sharing. SOLUTION : 1 1 of the first terminal of a first of the estate agent transmitted from the image of the object, and associate the object' s address stored in a storage unit and an image registration part 103, a first terminal of the first 2 2 when displaying a web page of a real estate agent, included in a web page program is issued, for acquiring an image of an object in the image acquisition request, an object and including an address image acquisition request is received, and associate the object' s address is stored in the image of the object, a first source of image acquisition request is transmitted to the terminal 2 and an image providing part 104. Selected drawing : fig. 2