Twin iron

what happens twin brother and sister show up at fairy tail. This what happens to Gajeel Redfox. Gale and her brother Steel show up at Fairy tail door step. Telling everyone that mother said to find a man named Gajeel. That he will take care of them. And they have a reason why they need him. Can Gajeel find out and help them. Or will he be to late for her again.

I don't own any of the characters. Of the original fairy tail Hiro Mashima does. I just came up with the oc characters and the plot of this story.