Satoru Gojo X FEM Reader

You were always in the shadows, on the side lines watching your brother grow up. But seeing him in Jujutsu high putting his life more and more in risk terrified you although your friends tried to comfort you saying Gojo was his teacher he would be fine it never comforted you.

After one huge fight, seeing your brother bloody and beaten you wouldn't let it go any further. Stepping into the fight and ending it swiftly stunning everyone because no one saw you clearly and no one knew who you were. Gojo made it his mission to find the mystery person, only to find you a few weeks later.

What happens after he finds you?

Do you come back into your brothers life?