There is an audition in JYP ENT. and you will get to choose a group of your choice. Ae Seok didn't know about this audition until her best friend, Brookly told her about it and she was very excited to be part of a group, she was an IGOT7 and her ultimate bias was Mark. And if she debut as a kpop star she could meet her brother again. So read my story if you wanna know about what things are gonna happen. :)