Forever Yours ≪ Oikawa Tooru x Reader ≫ Haikyuu Fanfic

(F/N) Kageyama, is a third year in Karasuno Highschool, who also turns out to be the 'King of the Court's' older sister.

As his older sister, it only made sense that you were better than him in volleyball, but a past incident made you quit.

Now, watching your brother's volleyball match against another team, you see someone who reminded you of your past.