A digital comic editor, comprising: a data acquisition device acquiring a piece of master data of a digital comic, the master data including: an image file corresponding to each page of the comic, the image file having a high resolution image of the entire page; and an information file corresponding to each page or all pages of the comic, the information file having a piece of frame information including a piece of frame region information of each frame within the page; a display control device controlling display device to display an image thereon based on the image file in the master data acquired and to display a frame boundary while superimposing the same on the image based on the frame region information included in the information file in the master data; an indication device indicating a position on the image displayed on the display device; a frame addition device adding a new frame boundary to a position indicated; a frame deletion device that deletes the frame boundary from the position indicated; and an editing device updating the frame region information included in the information file based on the frame boundary added or the frame boundary deleted.