Choi Yoon Sun is the next member that TS Entertainment revealed after Na Hyun.
Having New Sun as the stage name, she’s the maknae/the youngest of the group (1997 line). She also dubbed as the new ‘giant baby’ after f(x) Sulli. New Sun is 172cm tall in such young age. She also known for her ability in rapping and song writing.
New Sun previously appear in SECRET’s “I Do I Do” and Bang Yongguk-Zelo “Never Give Up”.