STUDIO BLOSSOM BOYS Members Profile and Facts
STUDIO BLOSSOM BOYS (스튜디오블라썸 보이즈) (provisional) is a South Korean pre-debut boy group under Studio Blossom, consisting of 4 members: Ok Changhyun, Yang Sehyun, Kim Jihwan, and Lee Eunkyu. Their official Instagram account was opened in April 2026, with 4 members known at the time: Ok Changhyun, Yang Sehyun, Ha Mingi, and Kim Jihwan. The group has experienced multiple member additions and departures since then, and the lineup has yet to be finalized. Their debut date is currently unknown.
Group Name Meaning: N/A
Official Greeting: N/A
STUDIO BLOSSOM BOYS Official Fandom Name: N/A
Fandom Name Meaning: N/A
STUDIO BLOSSOM BOYS Official Color: N/A
STUDIO BLOSSOM BOYS Official Logo:
Official SNS:
Instagram: @studioblossom__trainee
STUDIO BLOSSOM BOYS Member Profiles:
Ok Changhyun
Stage Name: Ok Changhyun (옥창현)
Birth Name: Ok Chang Hyeon (옥창현)
Position(s): N/A
Birthday: July 29, 2003
Zodiac Sign: Leo
Chinese Zodiac Sign: Goat
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: INFP
Nationality: Korean
Instagram: @ch._.729
Ok Changhyun Facts:
– He was born in Busan, South Korea.
– He signed with Studio Blossom around March-April of 2026.
– He was officially revealed as the third member on August 30, 2026.
– Changhyun is a former member of CTDROOKIES (2025).
– He participated in PROJECT 7 (2024), ranking #61.
– He attended MUDOCTOR Academy, Flat9 Academy, and Flowing Academy.
– Changhyun trained with Fantasy Boys contestant and former Nonstop member Jeon Byeongcheol.
– He trained for 4 years prior to joining the group.
– His role model is SHINee‘s Taemin, as he is an artist who continues to grow on stage.
– He’s close friends with fellow PROJECT 7 contestant Kang Jimin.
– His specialty is playing the cello.
– His nickname is “Okay Changhyun”.
– His charming points are his leadership skills and pretty, bright eye smile.
– He is known for his outgoing personality and was well-liked by everyone in his hometown.
– His favorite food combo is Buldak Ramen with sundae (blood sausage).
– He would like to try a refreshing or powerful concept.
– His final goal is to chart on Billboard.
– His secret weapon is his perseverance to never give up until the end.
– Changhyun’s secret is that he puts on a solo concert while showering.
– His power max song is “An Ode To You” by SHINee.
– One word he uses to describe himself is “growth-oriented”.
– A word to his future self: “Nothing is impossible if you work hard enough.”
Yang Sehyun
Stage Name: Yang Sehyun (양세현)
Birth Name: Yang Se Hyeon (양세현)
Position(s): Rapper
Birthday: August 10, 2004
Zodiac Sign: Leo
Chinese Zodiac Sign: Monkey
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ENTP
Nationality: Korean
Instagram: @sehn_108
Yang Sehyun Facts:
– He signed with Studio Blossom around March-April of 2026.
– He was officially revealed as the second member on August 30, 2026.
– Sehyun has endorsed and promoted clothing brand VALERON and fashion culture market Fashion KODE.
– He trained for 1 year before joining the group.
– His role model is EXO‘s Baekhyun.
– His specialty is rap.
– Sehyun’s nickname is “Yang Sebari” (양세바리), named after the comedic waiter character of comedian Yang Sehyung.
– His final goal is holding a solo concert at the Tokyo Dome.
– His secret weapon is his impactful, punchy rap.
– Sehyun’s secret is that he is shoe size 260.
– His power max song is “Ashes” by Stella.
– One word he uses to describe himself is “passion”.
– A word to his future self: “Hard work never betrays you.”
Kim Jihwan
Stage Name: Kim Jihwan (김지환)
Birth Name: Kim Ji Hwan (김지환)
Position(s): N/A
Birthday: August 2, 2007
Zodiac Sign: Leo
Chinese Zodiac Sign: Pig
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: ESTJ > ESFJ-T > ENFJ
Nationality: Korean
Instagram: @jihwan__.7
Kim Jihwan Facts:
– He signed with Studio Blossom in March 2026.
– He was officially revealed as the first member on August 30, 2026.
– He was a contestant on the survival show PROJECT 7 (2024), where he was eliminated in episode 5 after ranking #95.
– Jihwan describes himself as having a cheerful personality and being good at raising spirits.
– He was already close friends with fellow member Ha Mingi before they both joined Studio Blossom.
– His special skills are providing emotional support and advice, and correctly guessing MBTI types.
– He previously attended MUDOCTOR Academy.
– He trained for 2 years prior to joining the group.
– His role models are ASTRO‘s Cha Eunwoo and ENHYPEN‘s Sunghoon.
– His nickname is “Hwanji”.
– Jihwan’s charming point is his facial expressions.
– He would like to try a sexy and innocent concept.
– A dinner menu recommendation of his is buckwheat noodles and bossam (boiled pork belly).
– His desired position is sub vocal.
– His final goal is charting on Billboard.
– Jihwan’s secret weapon is his passion.
– His secret is that he puts his hair up in an “apple style” ponytail (ponytail at the top of the head) during practice.
– His power max songs are “YOUNGCREATORCREW” and “FaSHioN” by CORTIS.
– One word he uses to describe himself is “passion”.
– A word to his future self: “Let’s work hard and give back to your parents.”
Lee Eunkyu
Stage Name: Lee Eunkyu (이은규)
Birth Name: Lee Eun Kyu (이은규)
Position(s): N/A
Birthday: 2008
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: A
MBTI Type: N/A
Nationality: Korean
Instagram: @leeun.kyu
Lee Eunkyu Facts:
– He was added to the group around June 2026.
– He’s a former student at MUDOCTOR ACADEMY.
– Eunkyu was accepted to THE CONNECTUMM Entertainment in March 2025.
Former Members:
Ha Mingi
Stage Name: Ha Mingi (하민기)
Birth Name: Ha Min Gi (하민기)
Position(s): N/A
Birthday: April 27, 2007
Zodiac Sign: Taurus
Chinese Zodiac Sign: Pig
Height: 185-186 cm (6’1″)
Weight: 57 kg (125 lbs)
Blood Type: A
MBTI Type: ESFP
Nationality: Korean
Instagram: @waitfornewproject/ @thisisnewproject
TikTok: @haaaaaaminkiikii
Ha Mingi Facts:
– He was born in Daegu, South Korea.
– He signed with Studio Blossom in March 2026.
– Mingi was unfollowed by the group account in August 2026 and simultaneously announced to be working on a new project, suggesting that he has left the group.
– He is currently a member of Minorchord (2026-present).
– He is a former member of AIR Trainee/ Air100 (2025-2026).
– Mingi is the nephew of Ha Seongho, founder and CEO of the popular tteokbokki franchise Sinjeon Tteokbokki, and the grandson of the company’s co-founder.
– He’s a former SM Entertainment and Woollim Entertainment trainee.
– He went through around 200 auditions before finally being recruited by an entertainment agency.
– Mingi was previously a student at MUDOCTOR Academy.
– On January 19, 2026, he participated in the digital single “Snow Night” with former MBK labelmates Kang Irang and Jo Siyun.
– Education: Gyeongbuk Arts High School (Department of Practical Music, dropped out)
– He has a younger sister.
– He was already close friends with fellow member Kim Jihwan before they both joined Studio Blossom, and is also friends with EMOTI:M‘s Chan Yul and BOYS II PLANET contestant Lee Seungbaek.
– His role model is CORTIS‘s Martin.
– His desired positions are rap or vocal.
– Mingi’s hobbies are soccer, boating, and jet skiing. He also enjoys watching baseball, with his favorite team being Samsung Lions.
– He can write lyrics and compose music.
– His favorite K-pop group is ZEROBASEONE and his bias was Han Yujin (currently of AND2BLE).
– His food preferences include steak as his favorite meal, donuts as his favorite snack, and Cheese Tteokbokki with fried fish cakes as his favorite Sinjeon Tteokbokki menu item.
– Mingi’s favorite movie is Titanic.
– His favorite aesthetic is cool and stylish.
Choi Eunchan
Stage Name: Choi Eunchan (최은찬)
Birth Name: Choi Eun Chan (최은찬)
Position(s): N/A
Birthday: April 23, 2008
Zodiac Sign: Taurus
Chinese Zodiac Sign: Rat
Height: N/A
Weight: N/A
Blood Type: A
MBTI Type: INFJ
Nationality: Korean
Instagram: @dms._ck2
Choi Eunchan Facts:
– He was added to the group around June 2026.
– He was unfollowed by the group account in July 2026 and was seen training at his academy afterward, suggesting that he has left the group.
– Eunchan is a former pre-debut member of CONNECTUMM BOYS (2025), where he was known as 🦁 (Lion).
– He participated in PROJECT 7 (2024), but was eliminated in the Zero-Setting round.
– He attends BLUUPRINTT Academy, and formerly JB DANCE & MUSIC STUDIO and Starcore Academy.
– Eunchan is friends with ADAP‘s Jongho and PROJECT 7‘s Kim Siyul as they attended JB DANCE & MUSIC STUDIO together.
– He auditioned for THE CONNECTUMM Entertainment with NCT DREAM‘s “When I’m With You” and George‘s “something between us”.
– He has an older brother.
– His role models are his brother and Tyler the Creator.
– He became interested in becoming an idol after watching BTS‘ concert.
– His charming points are his face and aegyosal.
– Eunchan’s favorite colors are red and sky blue.
– His favorite season is summer because he enjoys the atmosphere of summer nights.
– His favorite food is sweet potato pizza and tteokbokki.
– Eunchan’s least favorite food is bell pepper.
– His favorite snack is Jjolbyeong spicy flavor.
– His favorite dessert is bingsu.
– One thing he would like to try after his debut is snorkeling.
– He likes the song “ONLY” by Lee Hi.
– His favorite music genres are RnB and hip-hop.
– He likes sleeping, dancing, and singing.
– Motto: “Let’s do everything we want to do.”
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