A computer program is executed by a processor to move a position of at least one gift by a transparent object in a virtual space between a subject and a camera that images the subject, and move the position of the gift to increase a display area of the subject imaged by the camera. The processor is programmed to (i) acquire information related to the position of a subject in a virtual space, (ii) acquire information related to the position of a camera that images the subject, and (iii) generate a transparent object in the virtual space between the subject and the camera.