BTS's Maknae line aka, Jimin, Taehyung and Jungkook. But what if they have cute little sister who is Not just cute but a bratty girl. Just when VMINKOOK's Parents took a long break from their life, meaning a break which would never end, and in order to take care of their younger sister they decided to bring y/n to their dorm. Lets watch to see what happens next?