By chance, I, Han Yayan, participated in a singing competition and went to SM to be a trainee. What will happen on my first day in Korea? The story unfolds here. . . . .
I, Kim Jae-hee, Kim Jae-joong's biological sister, because I really wanted to be with my brother, I participated in the audition and became a trainee of □. What will happen on the first day of □? . . .
I, Zhang Lingxing, Wooyoung's younger sister, grew up in China. At the age of 15, I was admitted to the modern music department of Kyung Hee University. I and Han Yayan are good friends who grew up together in China.