On November 22, 2018, under the stage name Mi Rae, she was revealed as the seventh member of Cherry Bullet. They officially debuted on January 21, 2019 with their first single album "Let's Play Cherry Bullet".
On December 13, 2019, it was announced that she, along with Kokoro and Lin Lin, would be leaving the group after terminating their contracts with FNC Entertainment.
2020–2021: Debut with PIXY
On July 3, 2020, she was revealed as a member of PIXY under her new stage name Ella. The group officially debuted on February 24, 2021 with the digital single "With My Wings".
On March 11, both Ella and ALLART Entertainment announced that she would be taking a break from all activities due to health concerns, particularily personal stress and physical disability. She would also not be participating in PIXY's comeback album Reborn due to her continued hiatus. The agency has yet to release a statement on if she would continue her activities or leave the group.