Junseo ALPHA DRIVE ONE (ALD1) Profile
- Stage name
- Junseo
- Native name
- 준서
- Birth name
- Kim Junseo
- Birthday
- November 20, 2001
- Age
- 24
- Nationality
- South Korean
- Company
- WAKEONE Entertainment
- Zodiac
- Scorpio
- Height
- 177 cm
- Blood type
- O
- Status
- ALPHA DRIVE ONE (ALD1) — Active
Latest Official Videos
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About
Short bio
Junseo (준서) is a South Korean singer, actor, and member of WEi and ALPHA DRIVE ONE (ALD1). Learn about his age, birthday, height, blood type, nationality, Under 19 journey, 1THE9 career, BOYS II PLANET ranking, acting roles, fun facts, and more.
Background
Junseo (김준서) is a South Korean singer, dancer, actor, and idol best known as a member of WEi and the project boy group ALPHA DRIVE ONE. Born in Ulsan, South Korea, Junseo first gained public attention through the survival program Under Nineteen, where he earned a spot in the debut lineup of 1THE9.
After debuting with 1THE9 in 2019, Junseo continued his idol career as a member of WEi under OUI Entertainment. Over the years, he became known for his striking visuals, steady growth as a performer, and strong stage presence.
In 2025, Junseo returned to the survival show stage by competing on BOYS II PLANET. He ranked 8th overall and secured a place in the debut lineup of ALPHA DRIVE ONE. Beyond music, he has also expanded into acting, appearing in the BL drama Secret Relationship.
More Pictures of Junseo (ALPHA DRIVE ONE (ALD1))
FAQ
- How tall is Junseo?
- Junseo is 177 cm tall.
- How old is Junseo?
- Junseo is 24 years old.
- Where is Junseo from?
- Junseo is from South Korean.
- What group is Junseo in?
- Junseo is a member of ALPHA DRIVE ONE (ALD1).
- What is Junseo's real name?
- Junseo's birth name is Kim Junseo.
Fun facts
Junseo was born and raised in Ulsan, South Korea.
He has a younger brother named Kim Junhui who is two years younger than him.
He is naturally left-handed.
Fans often praise his visuals, earning him nicknames such as "Visual Prince," "Face Genius," and "Ulsan's Park Bogum."
Before becoming an idol, he attended Shinbok Elementary School and Mugeo Middle School in Ulsan.
Although he left high school before graduating, he later passed South Korea's high school graduation equivalency exam.
Junseo first gained national attention as a contestant on Under Nineteen.
He debuted as a member of 1THE9 on April 13, 2019.
During Under 19, his dance skills improved dramatically, and he became one of the strongest performers on the Performance Team.
He performed songs by BTS, VIXX, and Super Junior during the competition.
Junseo ranked 9th in the final episode of Under 19, securing his debut in 1THE9.
He later competed on **BOYS II PLANET> and ranked 8th, earning a spot in ALPHA DRIVE ONE.
In 2025, he made his acting debut in the BL drama Secret Relationship.
He can play the piano.
One of his specialties is performing a breakfall.
Junseo enjoys photography and is known for taking high-quality photos.
He likes watching movies in his free time.
He enjoys taking selfies and often prefers showing the left side of his face to the camera.
His favorite food is his mother's cooking.
Fried chicken is one of his favorite foods.
His favorite song is Downpour by I.O.I.
During Under 19, when asked whether he was most confident in rap, dance, or vocals, he jokingly replied that none of them were his strongest point—but that his face was handsome.
He was ranked 5th in fashion among the trainees on Under 19.
He is known to be close friends with fellow WEi member Yongha.
Many fans considered him the top visual contestant on Under 19.
