Natsu and Happy get a new addition to their family: Kemokemo, an unknown creature hatched from an egg that fell out of the sky. Natsu goes on a guild exchange program so he can ask all over Fiore about Kemokemo, but he, Gray, and Erza cause trouble at every guild on the trip.
That very important thing...
...ذاك الشيء بالغ الأهمية