Jungkook's little sister (Taehyungxreader)

Y/N is Jungkook's little sister. Y/N is only a year younger. Jungkook often visits his sister in secret because he doesn't want the press or the members to know about her. He wants to protect her from the fame of being his sister and he doesn't want any of the members hitting on her. She goes to one of their concerts...