A blight to society. A curse. A plague that should be ridden. These are just one of the many titles Grim had received, but they are all well deserved. Being one of the worst criminals in history, having had murdered thousands, even tens of thousands of people, he deserves to be called scum. Now that he had died to a crimson-soaked blade, he can only await Karma's judgment. Will he be lucky enough not to be reincarnated into a rat, or is his fate much worse than that? Only time will tell...

In this story a girl of 6 years old fights along side her little brother to avenge her parents death at the hands of her uncle. Her journey is to learn more about this phenomenon called "Margin Power" and use it to fight her uncle in a magic showdown. But the only problem is she has 4 years in order to prepare for the battle and so as the saying goes, "Practice makes perfect" she must practice this magic in order to defeat her enemy!