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Jeon Somi
JYP
Age:16
Previous Ranking: Ep1:1, Ep2:1, Ep3:1, Ep5:2, Ep6:4, Ep8:4, Ep10:1
Training Time: 2 years
Specialty: taekwondo, caricatures, cooking
Other: Previously appeared on "Sixteen"
"Concept Battle": "Yum Yum"
"Position Battle": "Bang Bang"
"Group Battle": "Into The New World"
Kim Sejeong
Jellyfish
Age: 21
Previous Ranking: Ep1:2, Ep2:2, Ep3:2, Ep5:1, Ep6:1, Ep8:1, Ep10:2
Training Time:1year 11 months
Specialty: ballad
"Concept Battle": "Fingertips"
"Position Battle": "Yanghwa Bridge"
"Group Battle": "Irony"
Choi Yoojung
Fantagio
Age: 18
Previous Ranking: Ep1:11, Ep2:13, Ep3:8, Ep5:3 , Ep6:2, Ep8:2, Ep10:3
Training Time: 4 years 7 months
Specialty: acoustic songs, hip-hop dance
Other:
"Concept Battle": "Yum Yum"
"Position Battle": "Bang Bang"
"Group Battle": "Hot Issue"Kim Chungha
M&H
Age:21
Previous Ranking: Ep1:37, Ep2:39, Ep3:23, Ep5:14, Ep6:13, Ep8:13, Ep10:5
Training Time:
Specialty: dance
"Concept Battle": "Fingertips"
"Position Battle": "Bang Bang"
"Group Battle: "Push Push"