after iz*one disbandment yujin go to states to continue her studies and become a CEO of Ahn Corp. her unnie's and wonyoung still in stone music entertainment to due their job, yujin lose connection with them to focus on her personal life and also to avoid minju because minju suddenly broke up with her the same day of their disbandment, but what if one day they meet again after 10 years?
16 parts