한 Members of Bolbbalgan4 Bolbbalgan4 (볼빨간사춘기) is a South Korean Girl Group that debuted in 2016. They are the 9th most streamed artist in Korea. Before it's official debut, Bolbbalgan4 were 4 students with Jiyoung as vocal. However 2 members left before the debut, thus Bolbbalgan4 debuttedas a duo, with the other member, Jiyoon, mostly playing the guitar and composing. In 2020 she decided to quit and Jiyoung kept the Bolbbalgan4 trademark as a solo act. Ahn Jiyoung met less success as a soloist, with most Bol4 hits having been released in their time as a duo. Return to Artist Read All Members 20162017201820192020202120222023202420252026 Ahn JiyoungOdd Child Ahn Jiyoung (안지영) Full Name: Ahn Jiyoung Date of Birth: 1995-09-14 (31 years) Zodiac sign: Virgo Country: South Korea Active period: 2016-present Role: Leader,Vocal,Face Past Members Odd Child (낯선아이) Full Name: Woo Jiyoon Date of Birth: 1996-01-06 Zodiac sign: Capricorn Country: South Korea Active period: 2016-2020 Role: Rapper,Instrumental Images Return to Artist