What would happen if all the Final Fantasy characters had a younger family member? What would happen if everyone met in Spira and they all meet their ultimate match.(for my own safety, i own only my fan characters, none of the original characters or places are owned by me)

chapter 1. To Catch a Cloud

"Damn, get back here!" A trenchcoat-less Sephiroth yells at a dirty blond male. "go ask your sex slave Tifa for a coat, she'd give you anything," the blond kid taunts, Sephiroth's trenchcoat covering the boy's pale arms, black sleeveless shirt, and black jeans. As the boy runs behind the weapon shop his older brother works at,someone opens the door, hitting him head-on."what are you doing on the ground Jake?"a slender silver haired girl asks."ow,i'm down here because you hit me Sara"
"who me,I would never do such a thing." The girl says grinning.
" Whatever,if you see your brother, tell him i ran to the blitz field." Just as he starts running, a muscle bound arm grabs the back of Jake's shirt."i didn't do it, Ary put me up to it." As Jake is panicing, the arm spins him around, showing a smiling darkly tanned male."oh, so Ary put you up to skipping pratice?" "Oh, John, i thought you were Sephiroth." Jake says grinning, indicating the jacket he's wearing."No,i just thought i'd play hooky today, of course she put me up to it!"John gins, hitting Jake in the face."That's for being smart, and this is for hitting on Sara!" John swings Jake around, finally throwing him in the back door. As Jake starts to get up off the ground, a gloved hand hits him in the back of his neck, making him collapse.