My Idol (Hwang Hyunjin x Reader)

Y/N, a STAY since day one of the Survival Show and an old classmate of worldwide famous idol, Hwang Hyunjin from the South Korean boy group, Stray Kids. Hyunjin is her ult bias but also was one of her bullies from elementary to middle school. They had put their differences aside and became mutuals during high school but one day, he just disappeared. Now it's the ROCKSTAR era and she was going to the Stray Kids's concert in Seoul. She has never been to their concert, ever. Only since she was saving up for one. She even got into a fansign event. How will they react once they see each other again?