An all-round self-made girl group is being built. The fittest will survive and the competition will be fierce. In the day and night relationship from childhood to adulthood, the delicate emotions are revealed and the strong backbone will not give in. The girls fight for their debut, support each other, and appreciate each other, but there are constant ups and downs. Who can make the debut in the end? What will happen after your debut? Will we still love each other...