In which Jeon Jungkook, the most popular boy in school, falls in love with Kim Y/n, the most popular girl in school.

Y/N, Taehyung's sister but also his twin, covers up for him for a week at university because of his foot ball game. She attends uni disguised as her brother and happened to meet his best friend Jeon Jungkook with a bunch of other friends. During her mission for her brother she slowly falls for Jeon Jungkook who has a crush on her. The story continues with love, jealousy, misunderstandings, friendship, youth and family. 'Everything Between Y/N and Jungkook'.