Past life

In a world where magic is real and is proven to be a technology. People who uses magic are known as magic technician in short magician. Ten families known as the ten master clan rules at the top of magicians. And there is a family that the ten master clan cannot disobey. They are called the Zero family. They possessed strength that no one could match. There are a lot of rumours about the Zero family, some people say that they gain their power from the Devils as they use powers that no one seen before. To put it simple, they are a very mysterious family. The only things known about them are the names of the members and that somewhere on their bodies they have the mark of the moon.

This is their story.
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This is my first story so there might be lots of errors. But I hope that those reading it will enjoy it and give me comments on how I can improve.
Thank you and yours in eternity,
Shuusuke.