The heroine became the 10th official member of Girls' Generation during the Black Sea period of Girls' Generation. Regarding the initial members' disapproval and fans' incomprehension, how can we get out of the trough of the Black Sea together with Girls' Generation and become the first girl group in South Korea? Let's see how the heroine creates a world in the Korean entertainment industry. PS: The heroine is not omnipotent, but has excellent lyrics and composition skills. The whole story is as non-white as possible and is as close to reality as possible.