It happened during a concert where something unexpected happens.

Two different people. Ones fire the other's gasoline. When they come together...BOOM! *SLOW UPDATES*

Chinen Yuri found himself on the world of his own nightmares where the fate of mankind lies in his hands and the rest is history.

Lightning is happy that Cocoon is safe again and everyone's happy except something is missing. The missing part shows up on the beach's shore near her house. A boy with yellow spiky hair and wearing black clothes. Lightning finds out that he's Cloud and he's from a different world. How does this Final Fantasy end?