Are the handsome guys my brother's friends??

Jeon Jungkook - He's good at sports and handsome, so he's popular (2nd year of high school) Jeon Yeoju - Jeon Jungkook's younger sister is super pretty (1st year of high school) Kim Taehyung - Jeon Jungkook's best friend / interested in Jeon Yeoju (2nd year of high school)