Mistake of the Heart

Machi is your 'not-so-normal' type of girl...the fact that she has an incredibly powerful ability. The things that get close to her eventually...dies...She's so powerful in the way that everyone, I mean EVERYONE avoids her...
Until one day, a random guy named 'Shin' that works for a certain association came to her because of his mission to guard her...
Would he be able to change the desperate girl? Or would he die like the others instead?
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I ONLY OWN THE PLOT AND CHARACTERS
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CREDITS TO Rinmaru Games, PiZap, AND Pixlr FOR THE PICTURES ^^
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HAVE FUN READING!