In the year 2020, computers are everywhere. From digital teachers to cars that drive themselves, computers are an integral part of everyone's lives -- everyone's, that is, except Yui Kasuga's. The 14-year-old daydreamer can't tell a Pentium chip from a Dorito! Very shortly, she will be called on to save the world from the mother of all computer viruses ... and she can't even be bothered to stay awake in class! (Source: B-U Manga)