Oh Chae Yi (오채이; formerly known as Yujin and Soyoon) is a South Korean singer and actress currently under FN Entertainment. She is a former member of the girl group Playback.
She debuted as a member of Playback on June 25, 2015 with their first digital single "Playback".
In 2017, she auditioned for the survival show MIXNINE, however, did not pass.
As of 2019, she is signed under FN Entertainment with a focus on acting.