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.
Mystery
21 minutes
2008
Kang Jin-ah
2008
6.0
2013
6.2
2014
0.0
2013
6.5
2019
0.0
2022
10.0
2023
10.0
2021
0.0
10.0
2023
0.0
2013
6.0
2014
7.0
2017
0.0
2015
4.0
2007
6.4
2014
0.0
2020
7.0
1973
7.4
2019
0.0
2024
5.8