- Bolbbalgan4, Duets

Bolbbalgan4 Profile


Bolbbalgan4 in March 2018

Woo Ji-yoon (left) and Ahn Ji-young (right)

Background information
Also known as BOL4
Blushing Youth
Origin Yeongju, Gyeongsang, South Korea
  • K-pop
  • folk rock
  • Rhythm & Blues
  • Indie pop
Years active 2016–present
Labels Shofar Music
Website www.shofar-music.com
  • Ahn Ji-young
  • Woo Ji-yoon


Bolbbalgan4 (Hangul: 볼빨간 사춘기, also known as BOL4 or Blushing Youth) is a South Korean duo formed by Shofar Music in 2016. They appeared on Superstar K6 in 2014 before signing a contract with their current agency. The duo consists of Ahn Ji-young and Woo Ji-yoon. They debuted on April 22, 2016, with the single “Fight Day” from the mini-album Red Ickle. The duo went on a little break due to Ji Young’s music classes requirements in the first half of 2018.



Bolbbalgan4 Members Profile

Ahn Ji-young


Stage Name: Jiyoung (지영)
Birth Name: Ahn Ji-young (안지영)
Position: Main Vocalist
Birthday: September 14, 1995
Zodiac Sign: Virgo
Nationality: Korean
Height: 165 cm (5’4″)
Weight: 45 kg (99 lbs)
Blood Type: A
Instagram: @hey_miss_true


Woo Ji-yoon


Stage Name: Jiyoon (지윤)
Birth Name: Woo Ji-yoon (우지윤)
Position: Rapper, Sub Vocalist, Guitarist, Maknae
Birthday: January 6, 1996
Zodiac Sign: Capricorn
Nationality: Korean
Height: 160 cm (5’2″)
Weight: 44 kg (97 lbs)
Blood Type: A
Instagram: @bssazzzn



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