
Everything You Need to Know About WEI’s Lead Dancer and Sub-Vocalist Kim Jun-seo
Do you know about the South Korean boy group WEI? In case you don’t know about them yet, WEI (Hangul: 위아이) is a boy group under OUI Entertainment that debuted on October 5th, 2020, with the title track “TWILIGHT”. WEI has a line-up of 6 original members including Daehyeon, Donghan, Yongha, Yohan, Seokhwa, and Junseo.
In this article, there’s a piece of detailed information about one of the members of WEI who has the position of youngest member. Beside that, he also appeared as a contestant on Under 19 back in 2018. Do you know who he is? Well, let’s get closer to him, the member of WEI, which is Kim Jun-seo: starting from his full profile, fun facts, and a lot more, in this article below.
WEI’s Kim Jun-seo: Profile

Real Name: Kim Jun-seo (Hangul: 김준서)
Stage Name: Junseo (Hangul: 준서)
Place and Date of Birth: Ulsan, South Korea, November 20th, 2001
Star Sign: Scorpio
Height: 178 cm (5’10”)
Weight: 64 kg (141 lbs)
Blood Type: O
Position in the group: Lead Dancer, Sub-Vocalist, Maknae
Education:
- Shinbok Elementary School (Graduated)
- Munsu Middle School (Graduated)
- Mugo High School (dropped out)
- High School Graduation Academic Proficiency Test (Passed)
Family Members: Parents and a Younger Brother (Kim Jun-hui)
Nationality: Korean
Official Site: Instagram (@__k_junseo)
WEI’s Kim Jun-seo: Fun Facts

- WEI’s Kim Jun-seo is a former 1THE9 member
- WEI’s Kim Jun-seo ranked 9th in Under 19
- WEI’s Kim Jun-seo was officially introduced as a member on August 11th, 2020
- WEI’s Kim Jun-seo would use the word “freshness” to describe himself
- WEI’s Kim Jun-seo wishes to travel to Jeju
- WEI’s Kim Jun-seo’s favorite season is winter
- WEI’s Kim Jun-seo’s favorite time of the day is 6–7 PM
- WEI’s Kim Jun-seo likes the word “sky”
- WEI’s Kim Jun-seo often says “Wait”
- WEI’s Kim Jun-seo listens to emotional music when he is feeling down
- WEI’s Kim Jun-seo watches battleground on YouTube
- WEI’s Kim Jun-seo was once the president of his class
- WEI’s Kim Jun-seo can cook pasta well
- WEI’s Kim Jun-seo’s role models are BTS
- WEI’s Kim Jun-seo can speak English
- WEI’s Kim Jun-seo has a dog named Pudding
- WEI’s Kim Jun-seo has the most self-love
- WEI’s Kim Jun-seo takes the longest to get ready along with Seokhwa
- WEI’s Kim Jun-seo is roommates with Junseo and Donghan
- WEI’s Kim Jun-seo is left-handed
- WEI’s Kim Jun-seo’s favorite color is pastel sky blue
- WEI’s Kim Jun-seo likes sour food and eats well
- WEI’s Kim Jun-seo tends to enjoy places high enough to do bungee jumping which is on his bucket list
- WEI’s Kim Jun-seo isn’t scared of height, but he’s afraid of ghosts
- WEI’s Kim Jun-seo is aware that his visuals are great
- WEI’s Kim Jun-seo takes good selcas
- WEI’s Kim Jun-seo writes very neatly, his handwriting is so pretty that it’s hard to believe he’s a man
- WEI’s Kim Jun-seo was ranked 1st in integration and exploration according to the testimony of a high school classmate
- WEI’s Kim Jun-seo has a driver’s license
- WEI’s Kim Jun-seo’s MBTI is ESFJ
WEI’s Kim Jun-seo: Appearance in Under 19

Before debuting as a member of WEI, Kim Jun-seo used to be a contestant of Under 19, which is a survival show that was aired on MBC for some trainees under the age of 19 years old. In Under 19, Kim Jun-seo was one of the contestants from OUI Entertainment who made it to the final episode, namely Episode 14, in the ninth position with a total of 321,288 votes.
On February 9th, 2019, MBC’s survival show Under 19 aired its final episode. In that episode, the MC announced that the name of the debut group which has 9 members is 1THE9.

The last member to be selected for the top 9 was Kim Junseo, who burst into tears and said, “I’m grateful to all the supporters who are here, to all the other contestants, and to my parents and teachers.”
During his appearance in Under 19, Kim Jun-seo’s nicknames were Bean Sprout Prince and Mayonnaise. Kim Jun-seo also had the same performance team as Min and they are close just like brothers.

Let’s check out WEI’s Kim Jun-seo’s performance in Under 19 below!
Position Mission (Ep. 6–8): Team Performance (Group B) – VIXX’s “Shangri-La” with 227 votes
Shuffle Misson (Ep. 10–11): Team 2 – BTS’s “Fake Love” with 373 votes