The Time Traveling Child

1-shot. A yr into a new dark age for Earthland & many wizards have died including Natsu & Lucy. Now, Sonny Hearfilia has chance to alter the past to save the future. How did the dark age begin? Why is Sonny's surname Heartfilia & not Dragneel? What will Sonny alter? Find out in The Time Traveling Child! Mainly Nalu, side of Nali. Graviu, Jelrza, & Gajevy imply. Please Review!