Tae : S-sorry Mr Jeon I already have a boyfriend. Jk : you'll not regret being mine tae . ( Jk in mind ) : sweet heart , how should I tell you that your so called boyfriend is cheating on you . " Give me a chance? .. A try please? " Jungkook pleaded softly . " Ok " taehyung said blushing as Jungkook was jumping from inside he was so much happy as he pecked Taehyung's lips several times . Taehyung is younger than Jungkook in this book .