Corrector Yui Bk 04

When Yui was first transported to Com-Net to become Corrector, her mentor I.R. thought there was a mistake. Now it turns out he was right! Yui s best friend Haruna was meant to be the Corrector, but through a mix-up, Yui became corrector instead. All is well, though, when Haruna gets a Corrector suit of her own, and she s so charming that all the Corrector programs instantly take a liking to her. Something s not right though Why would Haruna encourage the Corrector programs to fight each other? Could it be the work of the evil Grosser?