Genuine Fighter(FF Lightning x OC)

Two models, one with pink hair and an unusual name, then a cocky bastard that happens to be our protagonist. Every 10000 years a human is born with the potential to transcend gods, this is called the genuine fighter process put in place by the goddess Etro. To keep Magic from reappearing in the new world, a genuine fighter must exist because of his negative potential for magic. Because of this rule, if one person with negative magic potential must be alive to keep magic at bay. When the genuine fighter no longer has his original name, Lightning and the Genuine fighter must go retrieve it to keep magic from appearing. Has tie ins from god of high school and K project.