Who am I to you? (A Jungkook x Reader Story)

-It will be you instead of (Y/N) in the story, it's just for the Description that I put (Y/N)- ^^

In this story where Jungkook and (Y/N) are a couple but Jungkook can't stop thinking about his ex girlfriend whose name is Jina. He would always compare (Y/N) to her every single time. One day, Jina came back to him, wanting to be together once again. From that day, Jina would always start a fight with (Y/N). Everytime when there's a fight between (Y/N) and Jina, he would choose and protect her instead of (Y/N). While (Y/N) on the end, kept on thinking that Jungkook loves her. What will happened? Read to find out more! ^^