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The four high school girls, each of whom has their own personality and appearance, happen to witness the four twins' suicide while preparing for the choir competition.
Do Ok-hee
Do Ok-seung
Do Ok-ban
Do Ok-hye
Reporter
2008
1954
2015
2013
1998
2021
2006
1973
1988
2005
1997
2022
2007
2020
2014
1992
