Always been you, and you only || Jikook FF

Why is Jungkook suddenly all weird? Is this his new way of annoying me? Is flirting really working that much? I was supposed to hate him! Why is my heart beating so fast!! Suck it up Jimin.. Jungkook is only fooling around. But what if he's not? A kid I was supposed to babysit came into our lives and suddenly, Jungko...