The site plot takes place 50 years after the Fairy Tail storyline with all the characters being brought into this timeline but the great twist would be the descendants of characters
We will have heads of the family of great wizards such as Dragneel,Fullbuster and Scarlet family just to see how many people want to be part of that family
Also family is to a big part of Fairy Core and will make great storylines family will be built up and added soon