Here is the Who’s Who index for each of BOL4 [BolBBalgan4]’s promotional videos!
- Fight Day (싸운날)
- Let the Universe (우주를 줄게)
- Hard To Love (나만 안되는 연애)
- Tell Me You Love Me (좋다고 말해)
- Some (썸 탈꺼야)
- Fix Me (고쳐주세요)
- Travel (여행)
- Starlight (야경)
- Wind (바람사람) *Only Ji Young is in this MV*
- Bom (나만, 봄)
- Stars Over Me (별 보러 갈래?)
- 25
- Hug (품)
- Red Lipstick (빨간 립스틱)
- Dancing Cartoon
- Butterfly Effect (나비효과)
- Seoul
- Friend The End
- Snowball (스노우볼)
- Eternal Love (사랑할 수밖에)
Here is the full BOL4 [BolBBalgan4] discography
- Chocolate (초콜릿)
- Fight Day (싸운날)
- Ring (반지)
- Grumpy (심술)
- Occasionally (가끔씩) Ji Yoon
BUY IT! iTunes – YesAsia
- Let the Universe (우주를 줄게)
- Fight Day (싸운날)
- You (=I)
- Grumpy (심술)
- Hard To Love (나만 안되는 연애)
- Chocolate (초콜릿)
- Frisian (프리지아)
- X Song
- Ring (반지)
- When You Fall In Love (사랑에 빠졌을 때)
- Let the Universe (우주를 줄게) Radio Edit – CD Only
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Tell Me You Love Me (좋다고 말해)
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- Some (썸 탈꺼야)
- Blue
- Fix Me (고쳐주세요)
- Imagine (상상)
- To My Youth (나의 사춘기에게)
- Some (썸 탈꺼야) Chic Ver – CD Only
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- Wind (바람사람)
- Travel (여행)
- Starlight (야경)
- Dear. Teddy Bear (안녕, 곰인형)
- Clip
- Lonely
- Travel (여행) inst CD Only
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- Dejavu
- 6 O’Clock
- Picnic (나들이 갈까)
- Bom (나만, 봄)
- Stars Over Me (별 보러 갈래?)
- Seattle Alone
- Mermaid
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- Workaholic (워커홀릭)
- 25
- XX
- Taste
- Day Off (낮)
- XX (Acoustic Ver)
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- Blank (빈칸을 채워주시오)
- Hug (품)
- Leo (나비와 고양이)
- Counseling (카운슬링)
- Dandelion (민들레)
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- Red Lipstick (빨간 립스틱)
- Dancing Cartoon
- I Will Love The Sea (바다를 사랑할 거야) Demo Ver – CD Only
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- Butterfly Effect (나비효과)
- Space (너는 내 세상이었어)
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- Love Story
- Seoul
- What Makes Us Beautiful (아름다운 건)
- In The Mirror
- Star (별)
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- Chase Love Hard
- Friend The End
- Rome
- When Love Becomes Goodbye (사랑이 이별이 돼 가는 모습이)
- Good Night (좋은 꿈 꿔 0224.mp3)
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Someday (여름날)
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- Goodbye My Love
- Snowball (스노우볼)
- Eternal Love (사랑할 수밖에)
- Miss U, Dear
- Love