Number of Members:

Hangul: 원어스

Alternative name: オネウス

Fandom Name: TO MOON (투문 / tu mun) [established on March 21, 2019]

Fandom Color: Earth, Moon and White Glittering Space

Company/Agency: ONEUS

Origin: South Korea

Debut Date: January 1, 1970


ONEUS (원어스) is a K-Pop Boy Groups based in South Korea. They debuted on In Korea: January 09, 2019 - In Japan: August 07, 2019. The group is currently Active.

ONEUS Members

ONEUS Member Ages

Ranked from oldest to youngest.

1. SeohoJun 07, 199626 years old
2. LeedoJul 26, 199725 years old
3. KeonheeJun 27, 199824 years old
4. HwanwoongAug 26, 199824 years old
5. XionJan 10, 200023 years old

ONEUS Member Heights

Ranked from tallest to shortest.

1. Keonhee1.81 m (5’11”)
2. Leedo1.78 m (5’10”)
3. Seoho1.76 m (5’9″)
4. Xion1.73 m (5’8″)
5. Hwanwoong1.68 m (5’6″)

Members and Position(s)


ONEUS is composed of five members born between 1995 and 2000. Their names are: Seoho, Leedo, Keonhee, Hwanwoong, and Xion. The oldest member is Seoho (born Jun 7, 1996). The youngest member (maknae) is Xion (born Jan 10, 2000). ONEUS does not have an official leader. All of the members are Korean.


Ravn (former)main rapper, vocalist, producer
Seohomain vocalist
Leedomain rapper, vocalist
Keongheemain vocalist
Hwanwoongmain dancer, lead rapper
Xionvocalist, visual, maknae

MBTI Personality Types

RavnENFJ – The Giver
SeohoINTP – The Thinker
LeedoISFP – The Artist
KeongheeENFP – The Champion
HwanwoongISTP – The Crafter
XionESFJ – The Caregiver

Fun Facts and Trivia

  • The oldest member of ONEUS was Ravn (born Sep 2, 1995). After he left the group, Seoho became the oldest member (bornn Jun 7, 1996).
  • The youngest member (maknae) of ONEUS is Xion (born Jan 10, 2000).
  • The tallest member of ONEUS is Keonhee with a height of 181 cm (5’11”).
  • The shortest member of ONEUS is Hwanwoong with a height of 168 cm (5’6”).


  • Hwan Woong, SeoHo and Keon Hee participated in the second season of PRODUCE 101.
  • Members SeoHo and Ravn participated in the MIXNINE program.
  • HwanWoong, Seo Ho and Keon Hee were the first members chosen; Ravn, Lee Do and Xion the last.
  • Before their debut, they carried out the “We Will Debut” project together with ONEWE, which consisted of holding events every month, such as street performances or mini fanmeeting, in order to actively communicate with their fans. They also held three pre-debut mini concerts: “GEMSTONE”, “SPARKLING PIECE” and “PIECE OF U” (also with ONEWE). In addition, RBW shared videos of the daily life of both groups, which consisted of monthly trainings and evaluations.
  • They have covers of girl groups adapted to a new version, such as Starry Night by Mamamamoo, Bad Boy by Red Velvet or Gee by Girls’ Generation.
  • They all participated in the creation of the Valkyrie chorography, where they had even made 3 versions.
  • The boys clarified that ONEUS will not have a leader, because the agency assigned each one a role, so everyone would contribute to the group without the need for one.
  • Ravn participated in the creation of the lyrics of the 3rd promotional song of the group “LIT”.
  • Dazed magazine, ranked “Valkyrie” #14 in “The Best K-Pop Tracks of 2019”.
  • They were featured as a cameo in ONEWE’s “End of Spring” MV.
  • They received a plaque/certificate from Hanteo Chart for selling 100,000 copies of ‘Blood Moon’.
  • Dazed magazine ranked “Black Mirror” #14 in “The Best K-Pop Tracks of 2021”.
  • “Luna” ranked #17 on “The Genius Community’s 50 Best Songs of 2021”.
  • Billboard included “Luna” in the top “25 Best K-Pop Songs of 2021: Critics’ Picks”, placing it at #4.
  • NME included “Luna” at the #25 spot in the “25 Best K-pop songs of 2021”.



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