• I. Introduction



    BOL4 (also known as Bolbbalgan4) is a South Korean one-member act under Shofar Music.

    They debuted as a duo on April 22, 2016, with their first mini-album Red Ickle.

    On April 2, 2020, Shofar has announced that Woo Ji Yun has departed from BOL4, with An Ji Yeong to continue to promote under the duo's name, without any additional members.





    II. Predebut



    Ji Yeong and Ji Yun became friends in high school in Yeonju, Gyeongsangbuk-do. They then started a four-member band together and later participated in the reality competition show Superstar K6. After the show, Ji Young and Ji Yoon received contract offers from various agencies before settling with Shofar Music.





    III. Members


    - An Ji Yeong: Main Vocalist

    - Woo Ji Yun (former member): Guitar, Bass, Rapping, Backing Vocals





    IV. Social Media



    Twitter Account: https://twitter.com/bol4_official?lang=en





    V. Discography


    Korean


    Studio Albums


    Red Planet
    2016


    Mini Albums


    Red Ickle
    2016
    Red Diary Page 1
    2017
    Red Diary Page 2
    2018
    Puberty Book I Bom
    2019
    Two Five
    2019
    Puberty Book II Pum
    2020



    Single Albums


    Filmlet 2020



    Digital Singles


    Red Planet Hidden Track
    #First Love
    Red Diary Hidden Track
    My Trouble
    Leo (feat Baekhyun)
    Our Beloved Boa #2



    Japanese


    Mini Albums


    Red Planet (Japan Edition)
    2019



    Singles


    Love 2020




    Digital Singles


    To My Youth/Some
    2019





    VI. BOL4 MVS



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