The saving device for image sharing saves images offered by a sharer of the images for image sharing and accessibly shares in an album form among at least one share. The device includes a sharee layout storing means configured to store first layout information of a sharee's album, a shared area determining means configured to determine a shared area to be shared in the sharee's album from a sharer's album, and a layout changing means configured to automatically change a layout of the shared area based on the first layout information of the at least one sharee. An image sharing system includes the device, and an image sharing method uses the device.