Meeting for the first time

There was a girl who was a Angel slayer. She was happy living with her parents until her mother died. She left her home because of what her father said and she joined a guild were she meet the Demon slayer and they become friends until a letter came and the girl left.

What was it her father said?
Will the childhood friends meet again?
What did the letter say?

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I don't own fairy tail Hiro Mashima does.
It will have things the original doesn't and I hope you like the story.