Byeol

Following Hyunseo's departure from G-reyish, Hyeji was revealed as the group's newest member on September 27, 2018. Before her official introduction, she performed with the group at their "G-reyish Busking" event that took place on September 22. She officially debuted as a member on January 9, 2019, with the release of the group's third digital single "Candy".

On May 31, 2022, Big Ocean ENM announced, through their group's fancafe, that they decided to terminate the exclusive contract and all members decided to part their ways. In November 2024, Hyeji, along with Yeso, joined BADKIZ as their newest members. On March 27, 2025, she officially announced her new start BADKIZ's Byeol to her Instagram stories.