Chae Yeon's parents have just passed away leaving her, her older sister, Mi Rae, and her older brother, Jeong Min orphans. Chae Yeon and Mi Rae move in with their brother and his friends, the boy group Boyfriend. Chae Yeon starts to create a special bonding with all of the boys and becomes closer to them every day, while they help Chae Yeon to recover from her traumatic experience. She even falls in love! Will it be happily ever after? Or maybe not?   Characters