Min Ha Won is Min Suga's little sister. They own a coffee shop together with their other friends Namjoon, Jin, Hoseok, Taehyung, Jimin, and Jungkook. They treated Ha Won like their own sister and Ha Won likes, no loves, one of them. One day, Jungkook introduced a girl to his friends including Ha Won. Will Ha Won be able to tell her feelings to his first love? Or she will be abandoned by his friends even his brother and first love?