My Brother's Bestfriend (VKook FF)
Jieun, Taehyung and Jungkook known each other ever since they were little kids, Jieun and Taehyung were brother and sister and Jungkook and Taehyug were best friends. Taehyung was very protective with his little sister Jieun and he said that she couldn't date anyone until she is 18. As they grew older Jieun and Jungkook started developing feelings for each other. Will Jieun and Jungkook be together in the end? Will Taehyung accept that his sister is in love with his best friend?