The Great Adventure in Fairy Tail

What would change if Natsu had a twin brother, Nate Dragneel?

What exactly was the relationship between Zeref and Acnologia (the doctor) 400 years ago?

How did Natsu and Nate come back to life, and what role did Acnologia play in it?

Now it’s the year 777. Natsu and Nate transmigrate through the Eclipse Gate. What kind of upheaval will the two of them cause in the world?

[No System, no reincarnation]