It all started when Siyeon tries to fight her father to prove him that he shouldn't have underestimate his own daughter. With the help of her other six sisters, Siyeon fight her father in order to bring back the peace that had already lost because of her father. But, will she be able to win against her father? Highest ranks; - #37 in #Siyeon - #12 in #Dami - #1 in #Handong