An image processing system including a first image processing apparatus coupled to a first displayer, the first displayer being configured for displaying a virtual space image of a virtual space, and a second image processing apparatus having an imager and a second displayer, said second displayer being configured for displaying a real space image of a real space scene, wherein said first image processing apparatus comprises: a first display processor configured to provide, to said first displayer, instructions to display a predetermined marker image within said virtual space image displayed on said first displayer; and a first object display controller configured to perform a display control of at least a part of a first object image (EO, PO), the first object image being a first predetermined CG object displayed within said virtual space image displayed on said first displayer; and said second image processing apparatus comprises: a processor configured to instruct said imager to acquire a real space image of said real space scene comprising said first displayer, with said first displayer displaying said virtual space image, and with said acquired real space image comprising an image (Ma) of said marker image; and said processor further being configured to perform a composition control of at least a part of a second object image (EOb, POb), the second object image being a second predetermined CG object, and the second object image (EOb, POb) being displayed in the acquired real space image displayed by said second displayer at a position determined based on the position of the image (Ma) of said marker image within said acquired real space image by recognizing the image (Ma) of said marker image within said acquired real space image; wherein said first image processing apparatus and said second image processing apparatus are able to communicate with each other, said first object display controller performs a display control of said first object image (EO, PO) by being operatively connected through the communication, and said processor performs a composition control of said second object image (EOb, POb) by being operatively connected through the communication. a first display processor configured to provide, to said first displayer, instructions to display a predetermined marker image within said virtual space image displayed on said first displayer; and a first object display controller configured to perform a display control of at least a part of a first object image (EO, PO), the first object image being a first predetermined CG object displayed within said virtual space image displayed on said first displayer; and a processor configured to instruct said imager to acquire a real space image of said real space scene comprising said first displayer, with said first displayer displaying said virtual space image, and with said acquired real space image comprising an image (Ma) of said marker image; and said processor further being configured to perform a composition control of at least a part of a second object image (EOb, POb), the second object image being a second predetermined CG object, and the second object image (EOb, POb) being displayed in the acquired real space image displayed by said second displayer at a position determined based on the position of the image (Ma) of said marker image within said acquired real space image by recognizing the image (Ma) of said marker image within said acquired real space image; wherein said first image processing apparatus and said second image processing apparatus are able to communicate with each other, said first object display controller performs a display control of said first object image (EO, PO) by being operatively connected through the communication, and said processor performs a composition control of said second object image (EOb, POb) by being operatively connected through the communication.