Soeun

On March 2, 2022, Soeun (then known as Sowon) was introduced as the third member of girl group tracer through the release of her debut concept video. On October 18, 2024, Gleamedia announced that tracer would be making their debut in the final quarter of 2024 with the single album "365"and that she will henceforth be known as Soeun.