1. Cho Seung-hee debuted as new member of F-ve Dolls in 2013 and continued to promote until the group unofficially disbanded in November 2014, which was confirmed in March 2015.

1. Cho Seung-hee debuted as new member of F-ve Dolls in 2013 and continued to promote until the group unofficially disbanded in November 2014, which was confirmed in March 2015.
Cho Seung-hee has established herself as an actress with cast in various television dramas such as Mr Back, Triangle, Diary of a Night Watchman, Sweet Temptation, and The Producers.
Cho Seung-hee is the winner of Miss Chunhyang Pageant in 2012.
Cho Seung-hee auditioned for both Woollim Entertainment and FNC Entertainment and successfully passed the auditions but ended up choosing Woollim Entertainment for training.
Cho Seung-hee later moved to Core Contents Media and debuted as newest member of F-ve Dolls in 2013.
In July 2020, it was announced by her agency, PocketDol Studio, that Cho had changed her stage name to Cho Yi-hyun.
In July 2013, Cho Seung-hee debuted as the newest member of F-ve Dolls.
Cho Seung-hee's acting career began in 2014 with a cameo role in Mr Back and Triangle.
Cho Seung-hee sang the soundtrack for Triangle titled Kiss and Cry alongside T-ara's Jiyeon and Mighty Mouth's Shorry J Cho Seung-hee played a minor role on MBC historical drama Diary of a Night Watchman.
In February 2015, Cho Seung-hee joined MBK project group, TS with member of T-ara, The SeeYa and SPEED to release winter single "Don't Forget Me".
Cho Seung-hee later was chosen as the last member and leader of the group, which debuted in September 2015.
Cho Seung-hee confirmed her departure from DIA to pursue her acting career after parting ways with MBK Entertainment.
Cho Seung-hee appeared in the dramas Bravo My Life and My First Love.