Chapter 1: Betrayal

After his near crushing defeat from Natsu, Cobra is betrayed; Friend becomes Foe. With that in hand he joins up with Natsu and the others to put a stop to Nirvana. What happens after?

Natsu x Cobra
Cobra x Natsu

EDIT: (22/05/2022) Rewritting the story, not for any major changes but some small additions and for an errors it may possess.