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CompanyA100 Entertainment
Year Debut2020
Year Active1
Year Disbanded2021

Not Ranked


XUM (썸; acronym for Xomething Unlimited Move; debuted on Sep 2020) is a South Korean kpop girl group under A100 Entertainment. XUM debuted on September 24, 2020. The three members of XUM are: Dayeon, Baekah, and Iaan. XUM disbanded on June 1, 2021.


  • Number of Members: 3
  • Members: Dayeon, Baekah, Iaan
  • Oldest Member and Leader: Dayeon (born Nov 1995)
  • Youngest Member (Maknae): Iaan (born Mar 2002)
  • Debut: Sep 24, 2020
  • Fandom: Awexume
  • Company: A100 Entertainment

XUM Member Ages

XUM Age Ranking

Ranked from oldest to youngest.

1. DayeonNov 17, 199528 years old
2. BaekahOct 24, 199924 years old
3. IaanMar 22, 200222 years old

XUM Member Heights

XUM Height Ranking

Ranked from tallest to shortest.

1. Baekah1.69 m (5'7")
2. Dayeon1.68 m (5'6")
3. Iaan1.67 m (5'6")


All three XUM members were part of the kpop girl group NEON PUNCH (네온펀치) under the same agency. NEON PUNCH had debuted in 2018 with 5 members and disbanded on August 2020. Three of the members (Dayeon, Baekha, and Iaan) re-debuted as a brand new group called XUM.


Dayeonleader, main vocalist
Baekahvocalist, visual
Iaanmain rapper, main dancer, maknae

Fun Facts and Trivia

  • Dayeon, Baekah, and Iaan are former members of NEON PUNCH. XUM is their second debut.


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