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CLASS:y Seonyu Full Profile, Fun Facts, Official Debut

CLASS:y Seonyu
CLASS:y Seonyu

Get To Know About CLASS:y Lead Vocalist Kim Seon-yu Full Profile Here!

CLASS:y (hangul: 클라씨) has 7 original members line-up with Hyungseo, Chaewon, Hyeju, Riwon, Jimin, Boeun, and Seonyou. They debuted on a single titled “SHUT DOWN” which was released on May 5, 2022, and promoted in South Korea and Japan at the same time, so they had to release two songs in different versions to gain attention from the fans in different countries.

In this article, there is a piece of detailed information so you can get to know more about one of CLASS:y’s members who also have the lead vocalist position. Without waiting any longer, let’s find out more about CLASS:y’s Seonyu starting from her full profile, fun facts, and more in this article below!

CLASS:y Seonyu Profile

CLASS:y Seonyu

Real Name : Kim Seon-you (hangul: 김선유)

Stage Name : Seonyou (hangul: 선유)

Birth : Gangneung, Gangwon-do, South Korea, March 20, 2008

Star Sign : Pisces

Height : 160 cm (5’3″)

Weight : 43 kg (95 lbs)

Blood Type : B

Position of the group :  Main Rapper, Lead Dancer, Vocalist, Maknae

Nationality : Korea

Official Site :

  • Instagram (@sun_u08)
  • YouTube Channel ([Sunflu] Sun U)

CLASS:y Seonyu Fun Facts

  1. CLASS:y’s Seonyu received rank 2 on survival show MBC’s ‘My Teenage Girl’
  2. CLASS:y’s Seonyu’s MBTI is ISFP
  3. CLASS:y’s Seonyu participated on ‘CAP-TEEN’, but got eliminated in the first performance evaluation
  4. CLASS:y’s Seonyu’s nicknames are Baby Duck, Baby Hangjji
  5. CLASS:y’s Seonyu’s personality is sociable all day
  6. CLASS:y’s Seonyu’s hobbies are drawing, music and dancing
  7. CLASS:y’s Seonyu is good at guessing songs
  8. CLASS:y’s Seonyu’s advantage is good at talking and sports
  9. CLASS:y’s Seonyu’s disadvantages are bad eyesight and small memory
  10. CLASS:y’s Seonyu hates vegetables
  11. CLASS:y’s Seonyu’s favorite members are Hyungseo, Chaewon, Hyeju, because they are funny and charming
  12. CLASS:y’s Seonyu is good at dodgeball
  13. CLASS:y’s Seonyu loves calling her friends, shopping and relaxing
  14. CLASS:y’s Seonyu’s specialties are skipping, figure skating, and cartwheels
  15. CLASS:y’s Seonyu is described as ‘Bear’, because she eats a lot and looks like a bear when eating
  16. CLASS:y’s Seonyu’s favorite food is Malatang
  17. CLASS:y’s Seonyu’s Chinese zodiac sign is Rat
  18. CLASS:y’s Seonyu is considered to be one of the aces of the 1st grade (freshmen) in ‘My Teenage Girl’
  19. CLASS:y’s Seonyu tends to laugh a lot, causing her to describe herself with the hashtag #Laughing_angel
  20. CLASS:y’s Seonyu good at dodgeball
  21. CLASS:y’s Seonyu primary specialty is a dance
  22. CLASS:y’s Seonyu has a YouTube channel where she has uploaded a couple of dance covers
  23. CLASS:y’s Seonyu jokingly said she wanted to be a zombie when they appeared on “SHUT DOWN” but she was afraid of zombie
  24. CLASS:y’s Seonyu’s motto is “If you don’t do anything, nothing will happen”

That was all for the information about CLASS:y’s Seonyu and everything you should know about her. Let’s keep sending her a lot of love and support, so her career will shine even more in the future. If you like this article, don’t forget to share it on your social media and wait for another interesting upcoming article from Byeol Korea!