- She was revealed as LIGHTSUM's first member on April 19, 2021.
- Sangah attended PinkM Dance Academy and A-Root Dance Academy.
- Her MBTI personality type is ENFP (The Campaigner).
- Her dream is to throw the first pitch at a SK Wyverns opening day game.
- Sangah's nicknames are Rapper Sangah and Ssalla.
- Specialties: Exercise, remembering people's faces.
- In the future, Sangah wants to appear on the variety shows Running Man and Law of the Jungle.
- She's LIGHTSUM's king of socializing.
- In the group's dorm, she shares a room with Nayoung.
- Sangah decided to pursue becoming an idol after watching Girls' Generation.
- If Jian was to look after her, she would be difficult because she is the most picky eater in the group.
- Sangah passed auditions for MLD Entertainment, CJ ENM, J Planet Entertainment, Urban Works Entertainment, AStory Entertainment, Vine Entertainment, Source Music, and Yue Hua Entertainment.
- Upon her reveal, fans said she strongly resembled After School's Nana and BLACKPINK's Jennie.
- Sangah played many sports in elementary school, including gymnastics, jump rope, tee-ball.
- She trained for one year and a month
- She's a huge fan of baseball.
- Her favorite team is the SK Wyverns.
- Hobbies: Shopping, nail art, watching baseball.
- Her favorite ice cream flavor is vanilla.
- Her role models are Suzy Bae and CL.
Hello, I'm Sangah :)
It's my first birthday since my debut in LIGHTSUM.
So many people wished me a happy birthday and send me love.
I'll never forget this birthday :)
Thank you so much for making such a great memory for me!
I will always try to repay your love.
Thank you so much for today! Good night, everyone~!
Translated by @moonlightsum_
- @cube_lightsum on Twitter - SANGAH (April 19, 2021)
- LIGHTSUM on VLIVE (June 21, 2021)
- YouTube: LIGHTSUM -PR INTERVIEW: 'In My Life' : SANGAH
- YouTube: Mobidic Request Episode 7 (June 2, 2021; LIGHTSUM & Jo Kwon)
- MWave Meet And Greet Ep. 2
- @LIGHTSUMGlobal on Twitter (April 19, 2021)
- Get Ready to Stan: Here’s Everything We Know About The 8 Members Of LIGHTSUM—Cube Entertainment’s New Girl Group
- @lightsumguide on Twitter (May 1, 2021)
- @cube_lightsum Instagram Story Q&A (June 19, 2021)
- @LIGHTSUM_JP on Twitter: Spring Playlist (March 28, 2022)