A request acknowledging unit in a scenario creation unit of a content creation aiding device acknowledges a user request related to scenario configuration. A displayed image processing unit displays an image on a display device to assist the user to set up a key frame. A key frame interpolation unit inserts a key frame that triggers switching of the display to a link destination image when the display area reaches an area in which a link is set up. A coordinate converting unit represents the key frame using frame parameters in a coordinate system of a post-switching image. A correction unit corrects the key frame by applying, to the key frame set up, correction that is opposite to the correction applied to a frame when the frame is displayed. A scenario file output unit creates an ultimate scenario file and stores the file in a storage device.