BtoB’s Leader Eun-kwang: Full Profile and Updates on His Military Service


Meet The Leader of BtoB, Seo Eun-kwang

Seo Eun-kwang, or more popular as Eunkwang, is the leader and main vocalist of the South Korean boy band BtoB. Eunkwang made his debut with BtoB on March 22nd, 2012, with their promotional single “Insane” under the management of Cube Entertainment. Now, as the band has already developed enough, they have released ten mini-albums and two studio albums. Eunkwang, himself participated as the lyricist in BtoB’s fourth mini-album. Eunkwang also has a very powerful voice that will make your jaw drop shortly after hearing him sing.

At the present time, Eunkwang is serving his duty in the military service. But, the agency decided to continue the promotion of BtoB with six members and chose the new leader, Minhyuk. Well, let’s find out more about Eunkwang and his recent activities!

Eunkwang’s Profile and Facts


Full Profile

Real Name/Hangul: Seo Eun-kwang/서은광
Stage Name: Eunkwang
Date of Birth: November 22nd, 1990
Place of Birth: Yongin, Gyeonggi, South Korea
Zodiac Sign: Sagittarius
Blood Type: A
Height: 173 cm
Weight: 62 kg
Family: father, mother, and a younger brother, Eun-chong
Education: Dongshin University, Practical Music major
Occupation: Singer, Entertainer, Actor
Position (in BtoB): Leader, Main Vocalist
Specialties: Vocals, Piano
Sub Unit: BtoB Blue
Years Active: 2012-present
Labels: Cube Entertainment
Twitter: @btob_sekwang
Instagram: @btob_silver_light


  1. Eunkwang’s favorite color is blue.
  2. He is quite a picky eater.
  3. Eunkwang and Changsub used to be trained at the Modern Music Academy before debuting.
  4. Eunkwang wants to be Sungjae if he is given the chance to trade bodies with another BtoB member due to Sungjae’s height, 180 cm.
  5. He likes to listen to emotional songs.
  6. Eunkwang loves to play soccer, billiard, and piano.
  7. Minhyuk is the member of BtoB who is closest to Eunkwang.
  8. He went to an all male middle and high school so he’s really not quick-witted when it comes to women.
  9. Eunkwang is good at cooking egg stew.
  10. According to B.A.P Youngjae, Eunkwang is in a gaming crew along with BTS Jin and VIXX Ken.
  11. If he was a girl, he would want to date Hyunsik.
  12. Eunkwang’s ideal type of girl: someone with a kind heart, goes to church, has double eyelids, medium sized beautiful big eyes, thick lips, small waist, no height limitation, only loves him, long straight hair, and likes it when she puts one side of her hair behind her ears.

Eunkwang’s Singing Skills

As the leader and main vocalist of BtoB, of course, Eunkwang’s singing skills are undeniable. He has a powerful and unique voice that can reach super high notes! Some fans compiled Eunkwang’s high notes moments on Youtube. Let’s check it out, but be careful, there is a chance you might fall in love with him!

Eunkwang’s Filmography


Year Title Role
2013 The Count of Monte Cristo (musical) Albert
Bachelor’s Vegetable Store Chul Jin-yeok
2017 Hamlet Hamlet
Ah! My Goddess Ryu Sunho
2018 Three Musketeers D’Artagnan
Barnum: The Great Showman Amos Scudder

Variety Shows

Year Title Network Notes
2012 I Live in Cheongdam-dong JTBC Pre-debut
2014 SNL Korea 5 tvN Cast member, episode 1-10
2015 We Got Married MBC Studio panelist
National Singing Competition KBS Contestant
2016 Idol and Family National Singing Competition Contestant
Same Bed Different Dreams SBS
King of Mask Singer MBC Contestant as “Tonight I’m Afraid of Darkness, Seokbong”, episodes 75–76
Duet Song Festival Contestant, paired with Kim Yeon-mi, episodes 23–24
Battle Trip KBS Contestant with Yook Sung-jae, Im Hyun-sik, episode 16
Lipstick Prince OnStyle Panelist
2017 Cast
Battle Trip KBS Contestant with Lee Min-hyuk, Lee Chang-sub, episode 62
Immortal Songs 2 Contestant and his mother, episode 324
Master Key SBS Contestant episode 5, 7 and 11
Immortal Songs 2 KBS Contestant, Best of the Best episode 335
2018 Law of the Jungle in Mexico SBS Cast member
Unexpected Q MBC Contestant episode 1
Real Life Men and Women 2 MBN Cast member
Unexpected Q MBC Contestant episode 15

Eunkwang’s Solo Activities

Radio Show

Year Title Network Notes
2018 Idol Radio MBC DJ; July 7th to 27th, 2018


Title Year Album Notes
“Back in the Days” 2014 Cube Voice Project Part 2 Lead Artist
“One Day” 2017 Piece of BTOB Volume 7
“Love Virus” (with Yoo Sung-eun) 2012 Non-album singles Collaboration
“Fingertips Love” (with Changsub and Various artists ) 2016
“So Do You” (with NC.A) 2018
“Let’s Meet Once” (with Kim Bo Kyung)
“I Miss You” (with Mi Yoo) 2015 Mask OST
“Goodbye Sadness” (with Changsub, Ilhoon) Sweet, Savage Family OST Soundtrack Appearances

“For You” (with Minhyuk, Changsub, Ilhoon) 2016 Cinderella and Four Knights OST
“Ambiguous” (with Hyunsik, Sungjae) 2017 Fight for My Way OST
“Dreaming of Spring (Winter Sleep)” 2018 Queen of Mystery 2OST