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Yook Sungjae (육성재; or Sungjae) is a South Korean singer and actor under IWill Media. He is the maknae of the boy group BTOB and its sub-unit BTOB-BLUE.

Career[]

2019-2020: 3X2=6 Project and Yook O'clock[]

On December 20, 2019, a teaser photo was released on the BTOB twitter teasing the single "3X2=6 Part 1".[2] The single was to be a part of his single project where he was to release two songs every month for 3 months. The next day, teaser photos of him in the studio were released.[3] On the 23rd, the track list was released with the audio teasers being released on the 24th.[4][5] The single and the lyric video was officially released on the 26th and 27th respectively.[6]

A teaser photo displaying the date "4/6" was released on January 8, 2020 with another being released on the 10th.[7][8] The track list for "3X2=6 Part 2" was revealed on the 13th with the audio teasers being released on the 15th.[9][10] The single was released on the 16th with the lyric videos for the songs being released the next day.[11][12]

A teaser photo displaying "6/6" was released on February 1.[13] The track list was released on the 4th with the audio teasers being released the next day.[14][15] The single "3X2=6 Part 3" was released on the 6th with the lyric videos being released on the next day.[16]

On February 17, it was announced that he will be releasing the special album Yook O'clock on March 2.[17]

2023: New agency[]

On December 22, IWill Media announced that Yook Sungjae had signed on with the agency to actively promote in diverse fields.[18]

On December 29, Yook Sungjae opened up his official Twitter account and solo fancafe.[19]

2024: "Exhibition : Look Closely"[]

On March 14, IWill Media announced that Yook Sungjae would release a new solo album within the first half of the year.[20] On April 17, it was revealed that he will be making his comeback on May 9.[21] On April 25, he announced his first single album "Exhibition : Look Closely".[22]

2025: "Lie", All About Blue[]

On May 26, 2025, Yook Sungjae announced his first mini album, All About Blue, scheduled for June 19.[23]

Personal life[]

Military service[]

On May 3, 2020, he announced on his Instagram that he will be enlisting on May 11 as an active duty soldier along with fellow member Lim Hyunsik.[24][25] He was early discharged on September 26, 2021[26] and officially discharged on November 14.[27]

Discography[]

Mini albums[]

Special albums[]

Single albums[]

  • "Exhibition : Look Closely" (2024)

Digital singles[]

Collaborations[]

  • "A Cube For Season #Blue Season 2" ("Photograph" with Kim Nam Joo) (2015)
  • "Young Love" (with Joy) (2016)
  • "Playing With Fire" (with NC.A) (2016)

Features[]

  • Louie - "On the Four Lane Road" (2016)
  • Jung Key - "Stay With Me" (2018)
  • Kwangmin - "Mayday!" (2023)

OSTs[]

Participation releases[]

  • "King of Mask Singer Episode 12" ("One Day Long Ago") (2015)
  • "Fantastic Duo 2 Part.11" ("Memory Loss" with Gummy) (2017)
  • Lee Minhyuk - "Day Dream" (2019)

Producing and writing credits[]

  • All credits adapted from KOMCA, unless stated.[28]
Artist Song Album Credits
2016
Yook Sungjae & Joy "Young Love" Writing
BTOB "Melody Song" New Men
2017
Yook Sungjae "Paradise" "Piece of BTOB Vol.6" Writing
Composing
2019
Yook Sungjae "Yook" "3X2=6 Part 1" Writing
Composing
2020
Yook Sungjae "Hypnotized" "3X2=6 Part 3" Writing
Composing

Filmography[]

Dramas[]

Variety shows[]

  • Hitmaker Season 1 (with Jackson Wang, Cha Hak-yeon and Han San-hyuck) (MBC, 2014)
  • Real Men (MBC, 2014)
  • A Song For You (2014-2015)
  • Hitmaker Season 2 (with Jackson Wang, Cha Hak-yeon and Han San-hyuck) (MBC, 2015)
  • Invisible Man (2015)
  • King of Masked Singer (Contestant) (MBC, 2015)
  • We Got Married (with Joy) (MBC, 2015-2016)
  • King of Masked Singer (Panelist) (MBC, 2016)
  • Duet Song Festival (MBC, 2016)
  • Battle Trip (with Seo Eun-kwang and Lim Hyun-sik) (KBS, 2106)
  • Idol Chef King (2016)
  • Fantastic Duo (SBS, 2017)
  • Clenched Fist-Boat Horn (2017)
  • Celebrity Bromance (MBig TV, 2017)
  • Law of the Jungle in Sumatra (SBS, 2017)
  • Lovely 95s (2019)
  • Master in the House (SBS 2017-2020)
  • Synchro Yoo (KBS, 2024)[30]
  • SNL Season 7 (Coupang Play, 2025) - host[31]

Endorsements[]

  • Gmarket (2015)
  • Mamonde (2016)
  • BLACK YAK (2016)
  • Overwatch (2017)
  • THERMOS (2017)
  • AkiiClassic (2017)
  • Fitz (with Joy) (2018)
  • yanolja (2018)
  • Dongji cold noodles (2016)
  • SOMEBYMI (2019)

Trivia[]

  • His MBTI personality type is ENTP.[32]
  • It was revealed that him and Ong Seong Wu were in the same class in Hanlim Multi Art School.

Gallery[]

Main article: Yook Sungjae/Gallery

References[]

  1. YouTube: 돌아이돌 비투비 때문에 아이돌등판 편집하다 수명이 줄었어요…남은 삶 가불함 | BTOB | 노래 | The Song | IDDP | 서은광 이민혁 이창섭 임현식 프니엘 육성재
  2. Allkpop: BTOB's Sungjae reveals teaser image for solo project single '3X2=6 Part 1'
  3. Allkpop: BTOB's Sungjae reveals in-studio teaser images for single project '3X2=6 Part 1'
  4. Allkpop: BTOB's Sungjae unveils tracklist for his end-of-year single album '3 X 2 = 6'
  5. Allkpop: BTOB's Sungjae reveals audio teasers for 'From Winter' & title song 'Yook'
  6. Allkpop: BTOB’s Sungjae releases digital single '3 X 2 = 6 Part 1'
  7. Allkpop: BTOB's Sungjae reveals night city teaser image for '4/6'
  8. Allkpop: BTOB's Sungjae drops neon teaser image for '3X2=6 Part 2'
  9. Allkpop: BTOB's Sungjae reveals neon track list for '3X2=6 Part 2'
  10. Allkpop: BTOB's Sungjae teases upcoming tracks 'W.A.U' & 'Chicken'
  11. Allkpop: BTOB's Sungjae drops his tracks 'W.A.U' & 'Chicken'
  12. Allkpop: BTOB's Sungjae drops lyric MVs for 'W.A.U' & 'Chicken'
  13. Allkpop: BTOB's Sungjae teases final part of '3X2=6' project series
  14. Allkpop: BTOB's Sungjae reveals track list for '3X2=6' part 3
  15. Allkpop: BTOB's Sungjae reveals audio teasers for '3X2=6' part 3
  16. Allkpop: BTOB's Sungjae drops last 2 tracks for '3X2=6'
  17. Soompi: BTOB’s Yook Sungjae To Release Solo Album
  18. Soompi: BTOB’s Yook Sungjae Signs With New Agency
  19. Soompi: BTOB’s Yook Sungjae Launches Official X (Twitter) Account After Joining New Agency
  20. Soompi: BTOB’s Yook Sungjae Confirmed To Make Solo Comeback
  21. (KR) Osen: ‘4년만 솔로 앨범’ 육성재, 5월 9일 컴백 확정 [공식]
  22. Soompi: BTOB's Yook Sungjae Unveils 1st Teaser For May Comeback Under New Agency
  23. Soompi: BTOB's Yook Sungjae Announces June Comeback With Teaser For "All About Blue"
  24. Soompi: BTOB’s Yook Sungjae Announces Military Enlistment Date
  25. Soompi: BTOB’s Hyunsik And Yook Sungjae To Enlist In The Military On The Same Day
  26. Soompi: BTOB’s Yook Sungjae Updates Fans On His Status After Early Discharge From Military Service
  27. Soompi: BTOB's Yook Sungjae And Hyunsik, PENTAGON's Jinho Officially Discharged From The Military Today
  28. KOMCA: Searching Works (search 10013003 under Writers & Publishers)
  29. Soompi: “The Haunted Palace” Stars Yook Sungjae And Bona Confirmed To Appear On "Running Man"
  30. (KR) Newsen: ‘싱크로유’ 유재석-이적-이용진-육성재-호시-카리나, MC 확정 [공식]
  31. (KR) [공식] '육잘또' 육성재, 'SNL 코리아7' 출격 "촌철살인 코미디 선보인다"
  32. Allkpop: K-Pop idols who have revealed their MBTI

Official links[]

Korean
Chinese