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Secrets of the Eight Software (8つのソフトの謎,Yattsu no sofuto no nazo) is the 13th episode of Corrector Yui.
It's an exciting, guided tour inside the world of Corrector Yui...lead by Yui herself! Look back on how Yui and IR first met, and at their adventures to date. Features a closer look at Corrector Yui's various Element Suits--- and also at the abilities of the Corrector Software's programs, and their fight against the evil supercomputer Grosser and his henchmen!