Lune
룬 · 정성민 (Jung Sung-min)
Jung Sung-min — Vocalist · Visual
February 27, 2000 Korean 176 cm 55 kg Type A ISFJ Pisces
Lune is a South Korean idol serving as the vocalist and visual of the boy group DKB under Brave Entertainment. Born Jung Sung-min on February 27, 2000, he was revealed as a DKB member on November 5, 2019, and debuted with the group on February 3, 2020, through the mini album "Youth." Known for his soft vocal tone and calm, visual-centric stage presence, Lune has become a fan favorite for balancing DKB's energetic performance concepts with a gentler charm. He is skilled in taekwondo and climbing, enjoys watching movies and dramas in his free time, and shares a long-standing childhood friendship with ATEEZ's San. In July 2024, Brave Entertainment announced that Lune would go on a temporary hiatus due to declining health and anxiety symptoms, a decision that drew supportive responses from BB, DKB's fandom. A Pisces with an ISFJ personality type, Lune has said his hope is for people everywhere to recognize the name "Lune" within DKB, regardless of age or background. Fans researching Lune's profile, birthday, height, ideal type, and DKB member details will find his story defined by quiet resilience, genuine humility, and a steady, comforting presence within the group.
Story
Biography
Lune (DKB): Biography & Profile of Brave Entertainment’s Gentle Visual
Lune is a South Korean idol, singer, and visual known for being a member of the boy group DKB (다크비) under Brave Entertainment. Born Jung Sung-min on February 27, 2000, Lune was revealed as a DKB member on November 5, 2019, and officially debuted with the group on February 3, 2020, through the mini album “Youth” and its title track “Sorry Mama.”
As DKB’s vocalist and visual, Lune has long been praised for his soft, distinctive tone and calm stage presence, which balances out DKB’s more high-energy performance concepts. Away from the stage, he lists watching movies and dramas among his favorite hobbies, and he’s skilled in taekwondo, climbing, and other physical activities — interests that have occasionally surfaced during DKB’s variety show appearances.
Lune has been open with fans about facing personal struggles alongside his idol career. On July 30, 2024, Brave Entertainment announced that Lune would take a hiatus from group activities due to a rapid decline in his health and anxiety symptoms — a moment that BB, DKB’s fandom, met with an outpouring of support and patience, reflecting the close bond between Lune and the group’s fanbase. His member roommates in the DKB dorm have included Junseo, Yuku, and D1, and he shares a long friendship with ATEEZ’s San, having known each other since childhood.
Lune has said that his ultimate goal is for people around the world, regardless of age or background, to recognize the name “Lune” as part of DKB. Known for his humility, he’s admitted he doesn’t consider himself the “funniest” member, but fans continue to cherish his quiet warmth, striking visuals, and dependable vocals as essential parts of what makes DKB’s sound and image feel complete.
Profile
Basic Information
| Stage Name | Lune |
| Full Birth Name | Jung Sung-min (정성민) |
| Date of Birth | February 27, 2000 |
| Birthplace | South Korea |
| Hometown | South Korea |
| Nationality | Korean |
| Height | 176 cm (5'9") |
| Weight | 55 kg (121 lbs) |
| Blood Type | A |
| Zodiac Sign | Pisces |
| MBTI | ISFJ |
| Education | Not publicly disclosed |
| Agency | Brave Entertainment |
| Debut | February 3, 2020 (DKB, "Youth") |
| Languages | Korean |
| Nicknames | None officially confirmed (fans have been invited to suggest one) |
| Hobbies | Watching movies and dramas, taekwondo, climbing, exercising |
| Favorite Color | Black and brown |
| Ideal Type | Not officially confirmed |
Membership
Groups & Positions
DKB
Brave Entertainment
Vocalist Visual
February 2020 – Present
The Lineup
Group Members — DKB
E-Chan
Leader · Main Rapper · Lead Dancer
D1
Leader · Main Dancer · Main Vocalist · Acrobatic · Sub-Rapper · Center
GK
Main Rapper · Producer
Heechan
Lead Dancer · Lead Rapper · Vocalist
Lune
Vocalist · Visual
This Idol
Junseo
Main Dancer · Main Vocalist · Sub-Rapper · DJing
Yuku
Main Dancer · Vocalist · DJing
Harry-June
Vocalist · Dancer · Maknae
Journey
Career Timeline
2019
Pre-debut Reveal
Brave Entertainment rolled out individual teaser films and photos introducing all nine pre-debut members of DKB.
2020
Official Debut with "Youth"
DKB officially debuted on February 3, 2020 with the mini album "Youth" and its title track "Sorry Mama."
2020
Next Artist Award
The group won the Next Artist Award at the 2020 Soribada Best K-Music Awards, their first trophy since debut.
2020
Love & Growth Comebacks
DKB released their second mini album "Love" (title track "Still") and third mini album "Growth" (title track "Work Hard").
2021
First Studio Album
DKB released their first full-length studio album "The Dice Is Cast" with lead single "All In," followed later by the single album "Rollercoaster."
2021
Focus Award at AAA
DKB won the Focus Award at the 2021 Asia Artist Awards, recognizing the group's rising momentum.
2022
Rebel & Autumn Comebacks
The group released the fourth mini album "Rebel" (lead single "Sober") and fifth mini album "Autumn" (lead single "24/7").
2023
Peak Time Survival Show
DKB competed on JTBC's idol survival program "Peak Time," finishing in fourth place and reaching a wider audience.
2023
I Need Love / We Love You / Hip
DKB released the sixth mini album "I Need Love," its repackage "We Love You," and the seventh mini album "Hip."
2023
Teo's Departure
Member Teo departed from DKB on November 6, 2023 following a drunk-driving incident, and the group continued as an eight-member team.
2024
Urban Ride Comeback
DKB released their eighth mini album "Urban Ride," continuing their run of concept-driven comebacks.
2025
Boys II Planet Hiatus
Members Heechan and Harry-June went on a temporary hiatus to compete on Mnet's survival show "Boys II Planet."
2025
Emotion Comeback
DKB returned with their ninth mini album "Emotion" on October 23, 2025, marking a fresh chapter for the group.
Music
Discography
💜
Youth
Mini Album
2020
💜
Love
Mini Album
2020
💜
Growth
Mini Album
2020
💜
The Dice Is Cast
Studio Album
2021
💜
Rebel
Mini Album
2022
💜
Autumn
Mini Album
2022
💜
I Need Love
Mini Album
2023
💜
We Love You
Mini Album (Repackage)
2023
💜
Hip
Mini Album
2023
💜
Urban Ride
Mini Album
2024
💜
Emotion
Mini Album
2025
🎧
Rollercoaster
Single Album
2021
🎧
Still (Japanese Ver.)
Digital Single
2021
🎧
Work Hard (Japanese Ver.)
Digital Single
2021
Recognition
Awards & Achievements
Next Artist Award
Soribada Best K-Music Awards
2020
Focus Award
Asia Artist Awards (AAA)
2021
Did You Know?
Trivia & Fun Facts ✨
★
He was revealed as a DKB member on November 5, 2019, ahead of the group's February 2020 debut.
★
His childhood dream was to become someone like his father.
★
He doesn't have an official nickname and has asked fans to suggest one for him.
★
His shoe size is reported to be around 260 mm (US size 8).
★
He has said he doesn't know his exact eyesight, only that it isn't very good.
★
His favorite hobbies are watching movies and dramas.
★
His specialties include taekwondo, climbing, and general physical fitness.
★
His Chinese zodiac sign is the Dragon.
★
He has said his favorite colors are black and brown, since most of his wardrobe consists of those shades, though he says he loves all colors.
★
He has a younger brother.
★
When asked what he'd take to a deserted island, he answered food, hot packs, and a sleeping bag.
★
He said that if he won the lottery, he would buy a room full of clothes.
★
His hope for ten years from now is for people worldwide to recognize the name "Lune" from DKB, regardless of age or gender.
★
He has admitted he's the worst among the members at handling spicy food, which he finds a little sad given how many delicious spicy dishes exist.
★
He has said he doesn't think of himself as a particularly funny person.
★
His role model is BTS's V.
★
In the DKB dorm, he has shared a room with Junseo, Yuku, and D1.
★
He is longtime childhood friends with ATEEZ's San.
★
On July 30, 2024, Brave Entertainment announced Lune would take a hiatus due to declining health and anxiety symptoms.
★
He is known among fans for his calm, gentle demeanor compared to some of DKB's more high-energy members.
★
He is often praised for his visual presence in DKB's concept photos and music videos.
★
He is part of DKB's close-knit friend subgroup nicknamed "Banminchodan," alongside Heechan, Junseo, Harry-June, and GK.
★
He kept a low profile about personal secrets, once telling an interviewer it's "a secret that no one else knows."
★
He has a soft, distinctive vocal tone that fans often highlight in ballad-style tracks.
★
His birthday, February 27, falls under the Pisces zodiac sign.
The Fandom
Fan Club & Fan Name 💜
Official Fan Name
BB
BB is the official fandom name of DKB, standing for "DKB's Bestie" — the close, supportive friends who stand beside the group through every era.
Official Fan Color
Not officially confirmed
Brave Entertainment has not released a dedicated set of official fandom colors for DKB and BB as of the group's latest comeback.
Official Light Stick
DKB Official Light Stick (BB Fanlight / "Darkbong")
Released on August 28, 2023 through Everline, the official light stick comes with a strap, manual, and photocard set, and includes a central-control mode so it can sync automatically during DKB concerts.
Fan Community Platform
DKB Official Fancafe
DKB's Daum Fancafe is the group's core communication channel, where members post updates, behind-the-scenes stories, and interact directly with BB alongside the group's official Instagram, X (Twitter), TikTok, and YouTube channels.
Stay Connected
Social Media
Photos
Gallery 📷
