1. WANNA ONE - 1X1=1 (TO BE ONE)
When 'Produce 101 Season 2' was released fans became obsessed on those who made it to the debut lineup for WANNA ONE. WANNA ONE took the world by storm when they released their debut album with the lead track "Energetic". Believe it or not but the album has sold 802,045copies.
2. EXO - MAMA
Prior to EXO's debut, SM Entertainment's superpower concept attracted a lot of fans. EXO's amazing vocal tones and stellar dance moves made it possible to sell an impressive 528,460 copies of their debut album.
3. NCT - NCT 2018 Empathy
SM Entertainment announced that eighteen members from the different NCT subunits would work together on a studio album and the fans were full of anticipation. Kun, Jungwoo, Lucas, and the rest gave their best to show their singing skills. NCT was able to sell 361,792 copies of their album.
4. JYJ - The Beginning
Fans of TVXQ gave their full support when the group decided to form their own trio JYJ, in a different company. Kanye West and Flowsik were featured in JYJ's debut studio album. The album has sold 293,664 copies.
5. BLACKPINK - SQUARE UP
BLACKPINK's fans waited many years for the group's debut to be announced officially. Their debut album consists of 4 tracks, with the lead "Ddu-du Ddu-du". The 2nd single "Forever Young" instantly became famous. BLACKPINK was able to sell 270,787 copies of their album.
6. IZ*ONE - COLOR*IZ (IZ*ONE)
As the winner of 'Produce 48', IZ*ONE made a debut with their album "COLOR*IZ." The group was able to meet the high standard of fans. They even surpassed the record for the highest sales in the first week of their debut album. The album has sold 244,084 copies.
7. BTS - 2 Cool 4 Skool
BTS wanted to be different from the other groups and debuted with the unique title track "No More Dream." This song was mainly about social pressure and the strict Korean school system. Due to BTS' popularity, their album sales continued to increase after their debut. BTS was able to sell 200,484 copies of their album.
8. TXT - The Dream Chapter: Star
Even before their debut, TXT is already popular. TXT is the second Big Hit Entertainment boy group to debut next to BTS. By charming their fans throughout their debut album, TXT was able to sell 189,338 copies.
9. TWICE - The Story Begins
TWICE members joined the survival show called 'SIXTEEN' in order to debut as a nine-member girl group of JYP. TWICE debuted with their album EP "The Story Begins," which contains the lead single "Like OOH-AHH." TWICE has sold 183,632 copies of their debut album.
10. AB6IX - B: COMPLETE
Fans were excited for the debut of AB6IX, which consists of MXM duo, two WANNA ONE members, and Jeon Woong. The group performed on 'Produce 101 Season 2'. Their debut album has sold 163,466 copies.
