In September 2016, she was part of the "Who's the best?" segment of My SMT along with fellow rookies Koeun, Hina, and Yiyang. Later in 2017-2018, she along with actress Park Jung Yeon, Koeun and Hina sang several OST for the MBC animated series Shining Star.
2020: Debut with aespa
- Let's Sing Kids 3 (HunanTV, 2015) - contestant
- MY SMT (YouTube, 2016)
- Upon her reveal, fans said she resembled Weki Meki's Doyeon and TWICE's Nayeon.
- Her favorite group is NCT.
- Ningning was a trainee for four years.
- Her favorite school subject is art.
- She was nominated for "The 100 Most Beautiful Faces of 2020".
- In the group, her representative symbol is a butterfly and her representative animal is a tiger.
- Her favorite season is spring.
- Her favorite colors are red, yellow, and pink.
- Bilingual in Chinese and Korean.
- She can play the piano.
- Her fans are called "Ningmengs" which means lemon in Mandarin.
- She has two tattoos.
- Her MBTI personality type is ENFP.
- She considers herself as aespa's baby.
- She is friends with NCT's Chenle and IVE's Yujin.
- She is an only child.
- Main article: Ningning/Gallery