On October 14, 2020, she was revealed as the sixth and final member of StayC.
III. Yoon Facts
- Yoon would like to have a collaboration stage with (G)I-DLE.
- She was voted as the group’s most energetic member.
- Nickname: Barbie Doll, Baby Tiger.
- Yoon has an older sister.
- Charming Point: hair.
- Her specialty is guessing mystery quizzes.
- Her hobby is playing games.
- She is the tallest member of the group.
- In the group, her designated object is metal.
(credits to kprofiles for these facts)