Bolbbalgan4 (Korean: 볼빨간 사춘기; RR: Bolbbalgan Sachungi), also known as BOL4[1] or Blushing Youth, is a South Korean musical act formed by Shofar Music in 2016. They appeared on Superstar K6 in 2014 before signing a contract with their current agency. BOL4 was originally a duo consisting of Ahn Ji-young and Woo Ji-yoon.[2] They debuted with the single "Fight Day" from the mini-album Red Ickle on April 22, 2016. The first syllable of the Korean word sachungi "puberty" is pronounced the same as the Sino-Korean numeral four (sa), and accordingly the group name is sometimes shortened to BOL4.
Bolbbalgan4 | |
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![]() Bolbbalgan4 in March 2018 Woo Ji-yoon (left) and Ahn Ji-young (right) | |
Background information | |
Also known as | BOL4[1] Blushing Youth |
Origin | Yeongju, Gyeongsang, South Korea |
Genres |
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Years active | 2016–present |
Labels |
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Members | |
Past members |
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Website |
The duo went on a temporary hiatus due to Ahn's music classes requirements in the first half of 2018.[3] Bolbbalgan4 signed with King Records[4] and debuted in Japan on June 5, 2019, with the mini-album Red Planet (Japan Edition).[5][6][7]
On April 2, 2020, Shofar Music announced that Woo Ji-yoon had left the duo, and Ahn Ji-young will continue to promote as Bolbbalgan4.[8]
Jiyoung and Jiyoon were both raised in Yeongju, North Gyeongsang Province, and were classmates. They had previously competed SuperStarK6 in 2014. Since they were young they had dreamed of becoming singers. The name of their duo was built on the grounds that they wanted to make the kind of pure, honest music that can only be found in adolescence. Jiyoon portrays the "blushing" part of the name because she is often shy, while Jiyoung portrays "youth" because she acts like an adolescent girl.[9]
Title | Album details | Peak chart positions | Sales |
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KOR [13] | |||
Red Planet |
Track listing
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15 |
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Title | EP details | Peak chart positions | Sales | ||||
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KOR [15] |
JPN [16] |
JPN Hot [17] |
US World [18] | ||||
Korean | |||||||
Red Ickle |
Track listing
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30 | — | — | — |
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Red Diary Page.1 |
Track listing
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7 | — | — | 9 |
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Red Diary Page.2 |
Track listing
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5 | — | — | — |
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Puberty Book I Bom |
Track listing
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16 | — | — | — |
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Two Five |
Track listing
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6 | — | — | — |
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Puberty Book II Pum |
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8 | — | — | — |
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Seoul |
Track listing
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26 | — | — | — | TBA | |
Japanese | |||||||
Red Planet (Japan Edition) |
Track listing
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— | 41 | 63 | — |
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"—" denotes releases that did not chart or were not released in that region. |
Title | Year | Peak chart positions | Sales[lower-alpha 1] | Certifications[lower-alpha 2] | Album | |||
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KOR [26] |
KOR Hot [27] |
JPN [28] | ||||||
Korean | ||||||||
"Fight Day" (싸운날) | 2016 | — | * | — |
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— | Red Ickle | |
"Galaxy" (우주를 줄게) | 2 | 36 | — |
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Red Planet | |||
"Hard to Love" (나만 안되는 연애) | 12 | 46 | — |
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"Tell Me You Love Me" (좋다고 말해) | 2 | 19 | — |
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Red Planet 'Hidden Track' | |||
"Some" (썸 탈꺼야) | 2017 | 1 | 1 | — |
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Red Diary Page.1 | ||
"To My Youth" (나의 사춘기에게) | 3 | 2 | — |
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"#First Love" (#첫사랑) | 2018 | 2 | 2 | — | — | Non-album single | ||
"Travel" (여행) | 1 | 1 | — |
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Red Diary Page.2 | ||
"Wind" (바람사람) | 20 | 36 | — | — | — | |||
"Dejavu" | 21 | 30 | — | Red Diary 'Hidden Track' | ||||
"Bom" (나만, 봄) | 2019 | 1 | 4 | — |
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Puberty Book I Bom | ||
"Stars Over Me" (별 보러 갈래?) | 4 | 10 | — | — | ||||
"Mermaid" | 22 | 30 | — | |||||
"Workaholic" (워커홀릭) | 1 | 2 | — | Two Five | ||||
"Leo" (나비와 고양이) (featuring Baekhyun) | 2020 | 2 | 3 | — | Puberty Book II Pum | |||
"Hug" (품) | 30 | 19 | — | |||||
"Atlantis Princess" (아틀란티스 소녀) | 36 | 26 | — | Our Beloved BoA #2 – SM Station | ||||
"Dancing Cartoon" | 49 | — | — | Filmlet | ||||
"Butterfly Effect" (나비효과) | 2021 | 23 | 37 | — | Butterfly Effect | |||
"Space" (너는 내 세상이었어) | 32 | 14 | — | |||||
"Seoul" | 2022 | 18 | 99 | — | Seoul | |||
Japanese | ||||||||
"Uchū o Ageru" (宇宙をあげる) | 2019 | — | — | — | — | — | Red Planet (Japan Edition) | |
"Watashi no Shishunki e" (私の思春期へ) | — | — | — | Non-album single | ||||
"Some" | — | — | ||||||
"Love" | 2020 | — | — | 48 |
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"Watashi dake, Haru" (私だけ、春) | — | — | — | — | ||||
"—" denotes releases that did not chart or were not released in that region. |
Title | Year | Peak chart positions | Sales | Album | |||
---|---|---|---|---|---|---|---|
KOR [37] |
KOR Hot [38] | ||||||
"Romantic Wish" (with Sweden Laundry, Vanilla Acoustic, Kim Ji-soo, Kim Sa-rang, 20 Years Of Age and Letter Flow) |
2016 | — | — | — | Non-album singles | ||
"We Loved" (남이 될 수 있을까) (with 20 Years of Age) |
2017 | 1 | 4 |
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"New York" (with WH3N) |
2019 | 107 | — | — | |||
"Awkward" (어색한 사이) (with Vanilla Acoustic, Sweden Laundry, 20 Years of Age, Letter Flow, Kim Ji-soo, WH3N, Boramiyu, Choi Yuri) |
2020 | 116 | — | ||||
"—" denotes releases that did not chart or were not released in that region. |
Title | Year | Peak chart positions | Sales | Album | |||
---|---|---|---|---|---|---|---|
KOR [39] |
KOR Hot [40] | ||||||
"Lost Without You" (우리집을 못 찾겠군요) (Mad Clown feat. Bolbbalgan4) |
2017 | 5 | 77 |
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Love Is a Dog from Hell | ||
"Mohae" (모해) (San E feat. Bolbbalgan4) |
5 | 23 |
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Non-album singles | |||
"Hurry Up" (Sohee feat. Bolbbalgan4) |
2018 | — | — | — | |||
"Be Your Christmas" (Sweden Laundry feat. Bolbbalgan4) |
— | — | Be Your Christmas | ||||
"—" denotes releases that did not chart or were not released in that region. |
Title | Year | Peak chart positions | Sales | Album | |||
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KOR [43] |
KOR Hot [44] | ||||||
"Hidden Path" (가리워진 길) | 2014 | 60 | — |
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Misaeng OST Part 4 | ||
"Dream" (드림) | 2016 | 54 |
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Hwarang OST Part 3 | |||
"Hello" | — | — | Lost Tale Mobile Game OST | ||||
"You and I From the Beginning" (처음부터 너와 나) | 2017 | 3 | 10 |
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The Emperor: Owner of the Mask OST Part 2 | ||
"My Trouble" | 2018 | 48 | 52 | — | Why: The Real Reason You Got Dumped OST Part 1 | ||
"Love Letter" | 2020 | 95 | — | Start-Up OST Part 12 | |||
"—" denotes releases that did not chart or were not released in that region. |
Title | Year | Peak chart positions | Sales | Album | |
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KOR [48] |
KOR Hot [49] | ||||
"Grumpy" (심술) (Red Ickle version) | 2016 | 38 | 94 |
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Red Ickle |
"You(=I)" | 40 | 74 |
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Red Planet | |
"When You Fall in Love" (사랑에 빠졌을 때) | 78 | — |
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"Grumpy" (심술) (Red Planet version) | 83 |
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"Blue" | 2017 | 5 | 7 |
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Red Diary Page.1 |
"Fix Me" (고쳐주세요) | 11 | 11 |
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"Imagine" (상상) | 12 | 12 |
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"Lonely" | 2018 | 24 | 40 | — | Red Diary Page.2 |
"Starlight" (야경) | 34 | 43 | |||
"Dear, Teddy Bear" (안녕, 곰인형) | 42 | 52 | |||
"Clip" | 65 | 66 | |||
"6 o'clock" | 80 | 84 | Red Diary 'Hidden Track' | ||
"Picnic" (나들이 갈까) | 2019 | 31 | 39 | Puberty Book I Bom | |
"Seattle Alone" | 43 | 49 | |||
"25" | 33 | — | Two Five | ||
"XX" | 30 | ||||
"Taste" | 50 | ||||
"Day Off" (낮) | 59 | ||||
"XX" (acoustic version) | 117 | ||||
"Blank" (빈칸을 채워주시오) | 2020 | 108 | Puberty Book II Pum | ||
"Dandelion" (민들레) | 143 | ||||
"Counseling" (카운슬링) | 164 | ||||
"Red Lipstick" (빨간 립스틱) | 31 | Filmlet | |||
"Love Story" | 2022 | 16 | Seoul | ||
"What Makes Us Beautiful" (아름다운 건) | 187 | ||||
"Star" (별) | 186 |
Concert | Date[56] | City | Country | Venue |
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Red Planet No. B41120 | November 20, 2016 | Seoul | South Korea | Baekam Art Hall |
Red Planet No. B4120304 | December 3, 2016 | Ewha Womans University (Samsung Hall) | ||
December 4, 2016 |
Date[57] | City | Country | Venue | Attendance |
---|---|---|---|---|
September 9, 2017 | Taipei | Taiwan | Legacy Taipei | 2,300[58] |
Date[59] | City | Country | Venue | Attendance |
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December 16, 2017 | Seoul | South Korea | Blue Square iMarket Hall | 6,500[60] |
December 17, 2017 | ||||
December 31, 2017 | Busan | Sohyang Theatre Shinhan Card Hall | ||
February 3, 2018 | Hong Kong | KITEC (Rotunda 3) | 1,500[61] | |
Total | 8,000 |
Date | City | Country | Venue | Attendance |
---|---|---|---|---|
2018 BOL4 2nd Concert in Taipei "Travel Together"[62][63] | ||||
June 30, 2018 | Taipei | Taiwan | Taipei International Convention Center | 3,000[64] |
2018 BOL4 3rd Solo Concert "Travel"[65] | ||||
July 14, 2018 | Seoul | South Korea | Olympic Hall | 6,000[66] |
July 15, 2018 | ||||
2018 BOL4 (赤頬思春期) 1st Concert in Japan -旅-[67] | ||||
August 8, 2018 (2 parts) | Tokyo | Japan | Toyosu PIT | 2,500[68] |
Total | 11,500 |
Date | City | Country | Venue | |
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2019 BOL4 Spring Solo Concert "Flower Energy"[69][70] | ||||
May 4, 2019 | Seoul | South Korea | Blue Square iMarket Hall | |
May 5, 2019 | ||||
2019 BOL4 (赤頬思春期) Japan Premium Showcase[6] | ||||
June 6, 2019 | Osaka | Japan | Banana Hall | |
June 8, 2019 | Tokyo | TSUTAYA O-East | ||
2019 BOL4 Asia Tour "Blossom"[71] | ||||
June 15, 2019 | Hongkong | KITEC (Star Hall) | ||
July 13, 2019 | Bangkok | Thailand | Moonstar Studio 8 | |
November 9, 2019 | Taipei | Taiwan | National Taiwan University Sports Center 1 |
Date[72] | City | Country | Venue |
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November 30, 2019 | Busan | South Korea | Sohyang Theatre Shinhan Card Hall |
December 1, 2019 | |||
December 7, 2019 | Daegu | EXCO (Auditorium) | |
December 8, 2019 | |||
December 14, 2019 | Daejeon | Woosong University (Art Hall) | |
December 15, 2019 | |||
December 21, 2019 | Gwangju | Chosun University (Sunup Hall Auditorium) | |
December 22, 2019 | |||
December 28, 2019 | Seoul | Ewha Womans University (Grand Hall) | |
December 29, 2019 |
Date[73] | City | Country | Venue |
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January 16, 2020 | Osaka | Japan | Zepp Namba |
January 18, 2020 | Tokyo | Toyosu PIT |
Year | Title | Album | Director |
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2016 | "Fight Day" (싸운날) |
Red Ickle | Zanybros |
"Galaxy" (우주를 줄게) |
Red Planet | BTS Film | |
"Hard to Love" (나만 안되는 연애) |
Zanybros | ||
"Tell Me You Love Me" (좋다고 말해) |
Non-album single | VFAR | |
2017 | "We Loved" (남이 될 수 있을까) with 20 Years of Age |
BTS Film | |
"Blue" | Red Diary Page.1 | Aloha Man | |
"Imagine" (상상)) | |||
"Some" (썸 탈꺼야) |
Mustache Film | ||
"Fix Me" (고쳐주세요) |
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2018 | "Travel" (여행) |
Red Diary Page.2 | Zanybros |
"Starlight (야경) | |||
"Wind" (바람사람) | |||
2019 | "Bom" (나만, 봄) |
Puberty Book I Bom | |
"Stars Over Me" (별 보러 갈래?) |
Kyle | ||
"Galaxy" (宇宙をあげる) |
Red Planet (Japan Edition) | ||
"To My Youth" (私の思春期へ) |
Non-album single | SEP,inc. | |
"Workaholic" (워커홀릭) |
Two Five | Zanybros | |
"25" | |||
2020 | "Love" | Non-album single | |
"Leo" feat. BAEKHYUN (나비와 고양이) |
Puberty Book II Pum | ||
"Hug" (품) |
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"Red Lipstick" (빨간 립스틱) |
Filmlet | ||
"Dancing Cartoon" | Zanybros | ||
2021 | "Butterfly Effect" (나비효과) |
Butterfly Effect | |
"Space" (너는 내 세상이었어) |
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2022 | "Seoul" | Seoul | |
Year | Title | Network | Role | Notes/ Ref. |
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2014 | Superstar K 6 | Mnet | Contestant | [75] |
2017 | My Little Television | MBC | Cast | On Episode 84 & 85[76] |
Golden Disc Award for New Artist of the Year | |
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Mnet Asian Music Award for Best Vocal Performance | |
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Melon Music Award for Top 10 Artists | |
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