
Photo: Little Boy · CC BY 4.0 · credits
Seo Eun-kwang
Person · male · South Korea · Yongin · born 1990 · recording since 2017
South Korean singer
Also known as Seo Eunkwang · Eunkwang · Seo Eunkwang · Seo eunkwang · Silverlight · 徐恩光
Timeline
1990s
2010s
· Debut release
Debut release: '이제 겨우 하루' Official Music Video
First documented Broadcast in the MusicBrainz discography.
source: musicbrainz
2020s
Biography
Biography
Seo Eun-kwang (Korean: 서은광; born November 22, 1990), also simply known as Eunkwang, is a South Korean singer, songwriter, entertainer and musical actor. He is the leader and main vocalist of the South Korean boy group BtoB.
Biography
Seo was born on November 22, 1990, in Yongin, Gyeonggi in South Korea. He graduated from Dongshin University, majoring in practical music. He has one younger brother named Seo Eun-chong.
Military service
Seo reportedly began military duty by enlisting as an active duty soldier in the military band on August 21, 2018, at the ROK army's 27th division, nicknamed the 'We Will Win' unit in Gangwon Province's Hwacheon County. In October 2018, he received first place out of the recruits in the overall results during basic training. On March 14, he was selected as ROK-SWC for receiving more than 90 points in sit-ups, push-ups, 3 km running, 10 km full combat gear marching and more.
He was discharged from the army on April 7, 2020.
Philanthropy
In 2017, Seo participated in the Donation Applause 337 Relay Campaign with another 200 entertainers and sports stars. The campaign is to share more than three donations and to send warmth to more than three friends and purchase more than 7,000 won. This resulting in Seo's 418 fans donated to the Children's Rehabilitation Hospital, a building facility who was fully funded by Seo to treat children with severe disabilities. On November 21, 2017, Seo and his fans donated ₩10 million to help children with childhood diabetes. Cube Entertainment revealed, "Eunkwang's fans wanted to do something nice for his birthday and started collecting donations for the Korea Diabetes Association, which BtoB works as ambassadors. When Eunkwang heard his fans were preparing to donate, he told the label that he wanted to participate as well and he participated in the donation and delivered the scholarship letter himself."
On April 9, 2019, while serving the military, Seo donated ₩20 million to help the affected areas of the Sokcho Fire through Hope Bridge National Disaster Relief Association.
In January 2020, Korea Heart Foundation reveals that Seo donated ₩20 million to help financially troubled heart patients at the end of 2019. In April 2020, BtoB's fan club 'Melody' donated women's hygiene products to commemorate Seo's discharge. The fan club delivered 3,201 sanitary napkins and wipes through World Human Bridge for pregnant women in vulnerable families who are suffering from COVID-19.
On February 9, 2023, Seo donated 10 million won to help in the 2023 Turkey–Syria earthquake through the Children's Foundation.
BtoB
Seo debuted as the leader and main vocalist of Cube Entertainment's boy group BtoB on March 21, 2012, with the promotional single "Insane". The group is currently active with ten mini albums and two studio album. Eunkwang also contributed as the lyricist in their fourth mini album, Beep Beep with the song "Melody" that is dedicated to their fans.
Solo activities, acting and debut
In 2012, he released a digital single with singer U Sung-eun entitled "Love Virus". A music video was uploaded to BtoB's official YouTube channel, featuring 4Minute's Nam Jihyun and singer Roh Ji-hoon.
In 2013, Seo made his musical debut as Albert in the musical Monte Cristo. He gained good responses after his performance. He also joined the cast of the musical, Bachelor's Vegetable Store as Chul Jin-yeok.
In 2014, he became a fixed cast on tvN's variety show SNL Korea 5. He also released the song "Back in the Day" as part of the Cube Voice Project Part 2.
In 2015, he sang the OST for the drama Mask with singer Miyu. It was entitled "I Miss You." He also joined the studio panel in the MBC variety show, and virtual marriage program, We Got Married.
In 2017–2018, Seo was active in the Korean musical theater scene. He was cast in Hamlet, Goddess Is Watching You, Three Musketeers and Barnum: The Great Showman. Due to the sudden news of his enlistment, he was only able to perform 6 of the shows for Barnum: The Great Showman despite practice.
On April 25, 2020, Seo broadcast a 12 hours YouTube Live, Silverlight Is Back on Btob's official channel to celebrate his discharge from the military. On May 7, 2020, it was announced that Seo would release his debut EP in June. He is the sixth member of BtoB to debut as a solo artist. To accompany the release of the EP, Seo will release "Dear My Dear" (Korean: 서랍; lit. "Drawer"), which served as a pre-release single for Seo's upcoming first solo mini album. Seo's first solo mini album was released on June 8, 2020, with the title FoRest: Entrance
FoRest: EntranceSpotify (search)YouTube Music (search)Tracklist · 7 tracks1서랍4:272아무도 모른다3:443Have a Nice Day3:304세상에 영원한 게 없다 해도4:225사계3:456Love Again3:547파랑새4:50. Its released was followed shortly with the announcement of his first solo concert. Due to the COVID-19 situation in South Korea at the time, the concert was held online.
On August 13, 2020, Seo's appointment as a member of Cube Entertainment's board of directors was revealed through the company's 2020 half term report. Seo thereby became the first artist within Cube Entertainment to reach a director position within the agency.
On October 27, 2020, Cube announced that they have formed a unit called BtoB 4U consisting of Eunkwang, Minhyuk, Changsub and Peniel. The unit debuted on November 16 with their first mini-album, Inside and title track "Show Your Love".
BtoB, including Eunkwang, departed Cube in November 2023, with Eunkwang stepping down from his director position.
In December, 2023, he was announced as a judge for upcoming boy group survival show Build Up: Vocal Boy Group Survival. The show ran from January 26, 2024, to March 29, 2024.
In February 2024, BtoB announced the establishment of BtoB Company for the group activities and for Eunkwang's solo activities.
Discography & profile
Normalised profile
Percentiles are computed over every artist in the database, so a tier-3 artist can still sit in the 95th percentile on a single axis.
| Metric | Value | Percentile |
|---|---|---|
| Wikipedia language versions | 14 | 70.2th |
| Spotify monthly listeners | — | no data |
| Release groups in DB | 10 | 82.3th |
| Studio albums | 1 | 76th |
| Awards recorded | 0 | 0th |
| Timeline events | 3 | 73.3th |
| Recording span (years) | 9 | 24.5th |
| Genres | 2 | 74th |
Percentiles are computed at render time; missing values mean the artist has no data on that axis.
Discography (10 release groups · 1 studio albums)
Albums · 1
2025 · studio album
Search SpotifySearch YouTube Music
Tracklist · 10 tracks · 32:39
1My Door2:322Last Light4:043Greatest Moment4:244Breath of hope3:535Elsewhere1:276Parachute2:577Monster2:428Love & Peace2:249Run to you3:2110Glory4:55
Broadcast · 2
| Cover | Year | Title | Notes | First release |
|---|---|---|---|---|
| 2017 | '이제 겨우 하루' Official Music VideoSearch SpotifySearch YouTube MusicTracklist · 1 track · 4:071'이제 겨우 하루' Official Music Video4:07 | 18 September 2017 | ||
| 2020 | 'No One Knows' Official Music VideoSearch SpotifySearch YouTube MusicTracklist · 1 track · 3:571'No One Knows' Official Music Video3:57 | 4 June 2020 |
Single · 6
| Cover | Year | Title | Notes | First release |
|---|---|---|---|---|
| 2017 | Piece of BTOB Vol.7Search SpotifySearch YouTube MusicTracklist · 2 tracks · 8:221이제 겨우 하루4:07 2그때4:15 | 19 September 2017 | ||
| 2021 | Tomb Raider King (Original Soundtrack), Pt.1Search SpotifySearch YouTube MusicTracklist · 2 tracks · 8:041Leaving you (Tomb Raider King)4:02 2Leaving you (Tomb Raider King) (inst.)4:02 | Soundtrack | 23 February 2021 | |
| 2021 | 싸이월드 BGM 2021Search SpotifySearch YouTube MusicTracklist · 2 tracks · 8:34112월 32일4:17 212월 32일 (Inst.)4:17 | 13 December 2021 | ||
| 2022 | 꽃 피면 달 생각하고 OST Part 7Search SpotifySearch YouTube MusicTracklist · 2 tracks · 7:1411분에 한 번3:37 21분에 한 번 (inst.)3:37 | 24 January 2022 | ||
| 2025 | Last LightSearch SpotifySearch YouTube MusicTracklist · 1 track · 4:041Last Light4:04 | 29 October 2025 | ||
| 2026 | No tail to tell, Pt. 7 (Original Soundtrack)Search SpotifySearch YouTube MusicTracklist · 2 tracks · 8:561True Love4:28 2True Love (Instrumental)4:28 | Soundtrack | 20 February 2026 |
EP · 1
| Cover | Year | Title | Notes | First release |
|---|---|---|---|---|
| 2020 | FoRest: EntranceSearch SpotifySearch YouTube MusicTracklist · 7 tracks · 28:321서랍4:27 2아무도 모른다3:44 3Have a Nice Day3:30 4세상에 영원한 게 없다 해도4:22 5사계3:45 6Love Again3:54 7파랑새4:50 | 8 June 2020 |
Stats & PK
Percentile within all 23,672 published artists.Put Seo Eun-kwang head-to-head →
| Metric | Value | Percentile |
|---|---|---|
| Wikipedia language versions | 14 | 70.2th |
| Spotify monthly listeners | — | no data |
| Release groups in DB | 10 | 82.3th |
| Studio albums | 1 | 76th |
| Awards recorded | 0 | 0th |
| Timeline events | 3 | 73.3th |
| Recording span (years) | 9 | 24.5th |
| Genres | 2 | 74th |
Awards & honours
Line-up
| Name | From | To | Role |
|---|---|---|---|
| King's Voice(band) | — | present | lead vocals |
| BTOB(band) | 21 March 2012 | present | original |
| BTOB - Gold & Silver Axe(band) | 2015 | present | lead vocals |
| BTOB-BLUE(band) | September 2016 | present | original |
| BTOB 4U(band) | 27 October 2020 | present | original |
| May V(band) | 2021 | 2021 | |
| Mayfly(band) | 2021 | 2021 | |
| 90TAN(band) | 23 July 2024 | present | original |
Where this record comes from
portrait—Wikimedia Commons · CC BY 4.0 · retrieved 11 October 2026
https://commons.wikimedia.org/wiki/File:150110_BTOB_Seo_Eunkwang.jpgaliases/urls—musicbrainz · CC0 · retrieved 10 October 2026
https://musicbrainz.org/artist/96cf556c-758c-4020-8a0f-bb487515685ddiscography—musicbrainz · CC0 · retrieved 10 October 2026
https://musicbrainz.org/artist/96cf556c-758c-4020-8a0f-bb487515685dcore—wikidata · CC0 · retrieved 10 October 2026
https://www.wikidata.org/wiki/Q16233553genre—wikidata · CC0 · retrieved 11 October 2026
https://www.wikidata.org/wiki/Q16233553seed-list—wikipedia · CC BY-SA 4.0 · retrieved 10 October 2026
https://en.wikipedia.org/wiki/Seo_Eun-kwangbiography—wikipedia-en · CC BY-SA 4.0 · retrieved 10 October 2026
https://en.wikipedia.org/wiki/Seo_Eun-kwang
Why this artist is in the database
- List of K-pop artists
Tier rule: curated genre/region list
Image: Little Boy · CC BY 4.0 · Wikimedia Commons
Wikidata: Q16233553 · MusicBrainz: 96cf556c-758c-4020-8a0f-bb487515685d
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