Nishinoya x Reader what is love?

Nishinoya and (y/n) don't really know each other. But (y/n) brother which is Yamaguchi introduced her to the whole team. Knowing that she will have challenges ahead.... She would have to face her biggest fear....her crush now Nishinoya

They experience having challenges together.....one thing is Sekai. Sekai Tsukishima. You must face her too but......HOW?!?!? YOU MUST FIND OUT