Jung Woo-seok (Hangul: 정우석; born January 31, 1998), more commonly known by the mononym Wooseok, is a South Korean rapper, songwriter, and composer. He debuted as a member of the South Korean boy group Pentagon in October 2016, and later formed a duo with Lai Kuan-lin as Wooseok X Kuanlin in March 2019. In 2025, he created the project band KIK alongside Jung Min-hyuk of Lacuna and Oh Myung-seok of SURL.
In addition to his solo work, Wooseok co-writes a majority of Pentagon's output alongside the other members. He has also written music for other artists, including Wanna One, (G)I-dle, Nowz, Yuqi, Ong Seong-wu, and Vanner. As of April 2026, the Korea Music Copyright Association has 136 songs listed under his name.
All credits are adapted from the Korea Music Copyright Association, unless stated otherwise.
Songs
2016 SongArtist(s)AlbumLyricsMusicCreditedWithCreditedWith "Young" (젊어)Hui, Yeo One, Yuto, Kino, Wooseok
"Lukewarm" (미지근해)PentagonPentagon "Organic Song" (귀 좀 막아줘) "Engine"Five Senses "Special Christmas"Hyuna, Jang Hyun-seung, BtoB, Roh Ji-hoon, CLC, Pentagon2016 United Cube Project Part 1
2017 SongArtist(s)AlbumLyricsMusicCreditedWithCreditedWith "Never"Nation's Son35 Boys 5 Concepts "To Universe" (소중한 약속)PentagonCeremony "Nothing" "Spectacular" (스펙터클 해) "Energetic" (에너제틱)Wanna One1x1=1 (To Be One) "Never" "Party (Follow Me)"Hyuna Following "Like This"PentagonDemo 01 "It's Over" "One More Night" (오늘까지만) "Get That Drink" (멋있게랩) "When I Was in Love" (설렘이라는건) "Lift Off"Wooseok "Energetic" (에너제틱)Wanna One1-1=0 (Nothing Without You) "Violet"PentagonDemo 02 "Runaway" "All Right" "Pretty Boys"
2018 SongArtist(s)AlbumLyricsMusicCreditedWithCreditedWith "No Way"Red Is StrongThe UNI+ B Step 1 "Violet"PENTAGON - Violet (TYPE-C). Cube Japan/Tower Records Japan. SKU 4997184982115 PentagonViolet "Trust Me"Yuto "Off-Road"PentagonPositive "Shine" (빛나리) "Think About You" (생각해) "Do It for Fun" (재밌겠다) "Nothing I Can Do" (보낼 수밖에) "Let's Go Together" (함께 가자 우리) "Idol Room Signal Song Pentagon Ver." "Mermaid"Lee Min-hyuk, Peniel, Jung Il-hoon, Jang Yee-un, Wooseok, SoyeonOne "Young and One"Hyuna, Jo Kwon, BtoB, CLC, Pentagon, Yoo Seon-ho, (G)I-dle "Ain't No Time"Kim Dong-han D-Day "This Stop Is"Hui, YooA, WooseokGaegasoo Producer: Streaming "Shine"PentagonShine "Off-Road" "I'm Fine" "Nightmare -wake up-" (悪夢 -wake up-) "Naughty Boy" (청개구리)Thumbs Up! "Just Do It Yo!!" "Skateboard" "When It Rains at Night" (밤에 비가 내리면)"Thumbs Up!"
2019 SongArtist(s)AlbumLyricsMusicCreditedWithCreditedWith "Naughty Boy"PentagonCosmo "I'm a Star" (별짓)Wooseok x Kuanlin9801 "Always Difficult Always Beautiful"Wooseok"Domino""Sha La La" (신토불이)PentagonGenie:us"Lost Paradise""Alien" (에일리언)"Spring Snow" (봄눈)"Round 1""Genius"Pentagon "Heart Sign" Ong Seong-wu"Humph!" (접근금지)PentagonSum(me:r)"Fantasystic" (판타지스틱) "Summer!""Round 2""Sha La La"Happiness / Sha La La"Spring Snow" "Way" (도 (道))Two Yoo Project Sugar Man 3 Ep 1
2020 SongArtist(s)AlbumLyricsMusicCreditedWithCreditedWith"Fine Day"Mospick, Jeong Young-eun "Dr. BeBe" (Dr. 베베)PentagonUniverse: The Black Hall"Asteroid" (소행성)"Shower of Rain" (빗물 샤워)"Die for You""Talk""The Black Hall""Worship U""Camellia" (동백꽃)"Happiness" (도망가자)"Happiness" (도망가자)Kino, Hui, Wooseok, Yuto"I'm Loving You"Glay, Pentagon"Very Good"PentagonRoad to Kingdom Song of King Part 2"Shine + Spring Snow" (빛나리+봄눈)Road to Kingdom My Song"Basquiat" (바스키아)Road to Kingdom Final"To Universe" Universe: The History"Violet""Shine""Humph!""Dr. Bebe""Twenty-Twenty"Twenty-Twenty OST Part 1"Daisy" (데이지)We:th"Beautiful Goodbye""Nostalgia" (그해 그달 그날)"You Like""Paradise" (Paradise (별이 빛나는 이 밤))"Daisy"Do or Not"Daisy""Repeat:II" (도돌이표)Yuto, Wooseok"Eternal Flame" (불꽃)Pentagon
2021 SongArtist(s)AlbumLyricsMusicCreditedWithCreditedWith"Honey Drop"PentagonReplay OST Part 1"10s And" (10초 전)Love or Take"Do or Not""1+1""Baby I Love You""That's Me""Sing-a-song" (노래해)"Do or Not" rowspan="2" "Do or Not""Do or Not"Do or Not"Don't Worry 'Bout Me""Energetic" (에너제틱)Amaru, Lee Tae-wooLoud 2Round Team Mission"Beautiful Goodbye"Pentagon"Cerberus""Dr. Bebe" (Dr. 베베)Jang Hyun-seung, Jeon Ji-woo 1st EP Black Swan
2022 SongArtist(s)AlbumLyricsMusicCreditedWithCreditedWith"Feelin' Like"PentagonIn:vite U"One Shot" (한탕) "The Game""Call My Name""Sparkling Night" (관람차)"Bad""Energetic" (에너제틱)Minzy, InseongDouble Trouble 3rd EP Sporty"Call My Name"Pentagon"Now or Never"Kino, Wooseok, Jinho"Pose"Kino"Feelin' Like" PentagonFeelin' Like"Sparkling Night" "Don't""Mr. Wolf""Gone"Wooseok"Poppia" PentagonKCON 2022 Saudi Arabia Signature Song
2023 SongArtist(s)AlbumLyricsMusicCreditedWithCreditedWith"Autodeadma"Maymay Entrata "All Night"(G)I-dleI Feel"Peter Pan" (어린 어른)"Oasis"Hui, Wooseok"Loop (L∞P)"PentagonPado"Made in Heaven""With Universe" (약속)"We Are I" (우린 I)Soyeon, Wooseok
2024 SongArtist(s)AlbumLyricsMusicCreditedWithCreditedWith"Melo"Hui Whu Is Me: Complex"Cold Killer"Hui "A Song From A Dream"Hui "Jackpot"VannerCapture The Flag"Navy Blue"WooseokEmpty Paper"Sketch""Neverland"(G)I-dleI Sway"Burnin'"Hui Disk Defragmenter"Easy Dance"Hui
2025 SongArtist(s)AlbumLyricsMusicCreditedWithCreditedWith"Romance"WooseokEnder to Ander"Runner""Why Do You Love Me""Forward" (직선) "Break The Window""Mind" (심)"Letting Go""Fly To The Youth"Nowz Ignition"Fly To The Youth" "Captain's Order"KIKKIK"Simple""Ferrari""Timer""LP Club""Ah"Bright #14"U"Wooseok"Gone" (아프다)YuqiMotivation"Gone" (还痛吗)"Tomorrow" Steal Heart ClubSteal Heart Club - Band Unit Battle
2026 SongArtist(s)AlbumLyricsMusicCreditedWithCreditedWith"3333"KIKLow Kik"Sun""Piece of Piece"KIK "Diamond" KIK"Bella""Close"
Others SongYearArtistAlbumNotes"Dumdi Dumdi"2020(G)I-dleDumdi DumdiChorus"WTH"2021Hui, ShinwonNarration
Notes
References