- Training period 8-9 years.
- Languages: Korean (Native) and English (Fluent).
- Hobbies: Painting, Rapping and Dancing.
- Fanclub: ROYAL
- She was apprenticed to YG Entertainment.
- Participated in the survival program PRODUCE 48 as an individual trainee, she reached position #55 and was eliminated in episode 8.
- In August 2019, rumors surfaced that she had become an apprentice to A Team Entertainment due to the fact that the Instagram account of the said agency had started following her personal account, however, this was never confirmed by either party.
Seo Young used to be an apprentice at YG Entertainment where I became part of the “FUTURE 2NE1” project, also known as the “FUTURE 2NE1” lineup BLACKPINK i train together with other trainees such as Kim Eun Bi, Park Jinny, Jang Hanna Moon Su Ah among others.
2018: Participation in ‘PRODUCE 48’.
At the audition they both presented “Roller Coaster” by Chung Ha she was evaluated with a C, and in the re-evaluation she obtained a D. She was eliminated in episode 8 where she reached position #55, not making it to the final group, IZ*ONE.
- IndEgo Aid – We Found Us (feat. ROYA) (2021)
- Vivan – Mr. Krabs (feat. ROYA, Kim Han Se) (2020)
- Vivan – Ysl (feat. ROYA) (2020)
- Vivan – Popcorn Mood (feat. Kim Han Se, ROYA) (2020)
- Kim Han Se – Be Honest (feat. ROYA) (2019)
- PRODUCE 48 (Mnet, 2018).