The present invention is designed so that, even when a CG model moves with a tempo, it is possible to realize natural movement. The device according to one aspect of the present invention has a control section that exerts control so that specific data, which corresponds to a case where a predetermined parameter has a specific value, is generated using a plurality of pieces of data corresponding to respective cases where the predetermined parameter has different values, and a playback section that reproduces a predetermined computer graphics (CG) model based on the specific data.