
BOL4 (Bolbbalgan4) [볼빨간 사춘기]
This is now a solo profile since Jiyoon left the group in early 2020
- Debut (Y-M-D): 16-04-22 (as a duo)
- Label: Shofar Music
- Music Videos:
- Korean Duo MVs: Fight Day, Galaxy (v1,v2), Hard to Love, Tell Me You Love Me, Some, Fix Me, Travel, Starlight, Wind, Bom, Stars Over Me, 25, Workaholic
- Korean Solo MVs: Leo (나비와 고양이) ft. Baekhyun of EXO, Hug (품), Atlantis Princess (아틀란티스 소녀) [Live Video], Red Lipstick (빨간 립스틱), Dancing Cartoon, Butterfly Effect (나비효과), Space, Seoul
- Japanese Duo MVs: Galaxy (Jpn Version), LOVE
- Albums:
- Korean Duo: Red Ickle [Mini Album, Red Planet [Full Album], Red Planet ‘Hidden Track’ [Digital Single], Red Diary Page 1 [Mini Album], #First Love [Digital Single], Red Diary Part 2 [Mini Album], Red Diary ‘Hidden Track’ [Digital Single], Puberty Book I Bom [Mini Album], Two Five [Mini Album]
- Features: Mad Clown – Lost Without You (2017), San E – Mohae (2017), Sohee (Alice) – Hurry Up (2018), Sweden Laundry – Be Your Christmas (2018)
- Collabs: Shofar Music Compilation VOL.2 “Romantic Wish” (various) (2016), We Loved (with 20 Years of Age) (2017), First Love (#첫사랑) (with Dingo) (2018), New York (with WH3N) (2019)
- OSTs: “Hidden Path” Misaeng OST Part.4 (2014), “Dream” Hwarang: The Beginning OST Part.3 (2016), “Hello” Lost Tale Mobile Game OST (2016), “You and I From The Beginning” The Emperor: Owner of the Mask OST Part.2 (2017), “My Trouble” Why: The Real Reason You Got Dumped OST Part 1 (2018)
- Korean Solo: Leo [Digital Single], Puberty Book II Pum [Mini Album], SM Station: Our Beloved Boa #2 [Digital Single], Filmlet [Single Album], Butterfly Effect [Digital Single], Seoul [Mini Album]
- OSTs: “Love Letter” Start Up OST Part 2 (2020)
- Japanese as a Duo: Red Planet (Jpn Ver) [Mini Album], To My Youth/SOME [Digtial Single], LOVE [Single]
- Korean Duo: Red Ickle [Mini Album, Red Planet [Full Album], Red Planet ‘Hidden Track’ [Digital Single], Red Diary Page 1 [Mini Album], #First Love [Digital Single], Red Diary Part 2 [Mini Album], Red Diary ‘Hidden Track’ [Digital Single], Puberty Book I Bom [Mini Album], Two Five [Mini Album]
- Fan Name: loBoly (Lovely + Bol4)
- Logo:

Members:

- Stage Name (Hangul): Jiyoung (지영)
- Position: Vocal
- Real Name: An Ji Young (안지영)
- Birthday (Y-M-D): 95-09-14
- Nationality: Korean
- Height: 165 cm
- Blood Type: A
Former Members:

- From: 2016-2020
- Stage Name (Hangul): Jiyoon (지윤)
- Position: Guitar, Bass, Rap, Vocal, Maknae
- Real Name: Woo Ji Yoon (우지윤)
- Birthday (Y-M-D): 96-01-06
- Nationality: Korean
- Height: 160cm
- Blood Type: A
- SNS: IG – bssazzzn
- Now in: Solo* as Odd Circle