A simultaneous replay information storage unit stores a replay condition when simultaneously replaying the plurality of pieces of moving image data constituting the set of moving images so as to correspond to each of the sets of moving images in which a combination of the plurality of pieces of moving image data is different, respectively. A simultaneous replay control unit simultaneously replays, in a case in which the set of moving images as a replay target is designated from among a plurality of sets of moving images stored in the simultaneous replay information storage unit, a plurality of pieces of moving image data constituting the set of moving images, with a replay condition that is stored to be associated with the designated set of moving images.