After Fairy Tail won the war and Zeref being good again Natsu and Gray got so drunk and of course who comes to their rescue? Of course Lucy and Juvia and of course something happened. And the girls became pregnant but something happened that stopped them from confessing and they ran away. But that's not where our story starts it starts after 9 years later when Lucy and Juvia got kidnapped so their children went to Fairy Tail and asked for help.