1. A mobile terminal device comprising: an image capturing unit; a display unit; and a controller that performs image recognition of design of at least part of a picture obtained by capturing, by the image capturing unit, an image of a character printed on or attached to clothing, generates an augmented reality image by combining a stagecraft image, prepared in association with each of image-recognized designs, with a subject image of a person wearing the clothing, and displays the augmented reality image on the display unit.