The recording sheet/ink sheet integral cassette includes a recording sheet containing portion constituted of a substantially rectangular frame member which has a first aperture for sheet feeding, pressurization and recording sheet loading, and a second aperture for feeding the recording sheet to a surface opposed to the first aperture, an ink sheet containing portion for containing an ink sheet to be fed, and an ink sheet winding portion for winding up the ink sheet fed from the ink sheet containing portion. The ink sheet winding portion is positioned along a side of the substantially rectangular shape, the second aperture is positioned on a side opposed to the side, and the ink sheet containing portion is provided along the second aperture, and a third aperture for feeding and driving the recording sheet is provided in an intermediate portion between the ink sheet containing portion and the ink sheet winding portion.