The face-off between contestants continued to see who will move to the second round on September 14. The group A members were Cherry Bullet's Haeyoon, Weki Meki's Sooyeon, and DreamCatcher's Siyeon. While the group B members are WJSN's Yoo Yeonjung, SONAMOO's High.D, and Venus' Jeong Da Kyung.

Haeyoon performed g.o.d's "Where You Belong". Ji Sooyeon showed her singing skills in SHINee's "Y Si Fuera Ella". Siyeon sang EXO's "Overdose." She bravely chose not to change the pronouns when singing. Despite all the praises that she got from the audience, Siyeon looked shocked when it was announced that she won. She received 38 votes and advanced onto the final round. She said that she did not expect to be in the final stage.

Yoo Yeonjung sang "Fine" by Girls' Generation's Taeyeon. Jeong Da Kyung performed The One's "Dear Love," and High.D let her audience to feel her emotions with Lee Sun Hee's "Fate." They were all talented and great, but Yoo Yeonjung successfully moved onto the final round with 36 votes. She said that it was her first time to join this kind of survival show. She was very nervous though she made it to the finals.

In the final round, Siyeon performed Kim Gun Mo's "Moon of Seoul" and Yoo Yeonjung sang Lena Park's "In Dreams." Yoo Yeonjung blew the viewers away with her incredible voice. At the end of the battle, the winner was announced to be Yoo Yeonjung having 58 votes.

Yoo Yeonjung said that her mom was more worried than her. Her mom told her to just face it so she can do great. She was very thankful because it came true. Yoo Yeonjung used WJSN's official Twitter account to give thanks to her supporters. She asked Ujung [fanclub name] if they watched the well.

She said that she was happy while performing songs. She said she wanted to perform for her fans. She said many thanks to 'V-1' who gave her a great opportunity, the VIP panelists who listened to her songs and chose me, and Ujung.

All the contestants did their best for the show. They were all glad to be part of this challenge. They remained a good sport and still cheered for the contestants who were able to make it to the final round.

Their fans remained faithful to their idols and continued giving support until the end of the survival show. They enjoyed their idols singing new songs and turning it into their own version. They hope to see more shows like this and see more idols showcase their vocal talents.