On April 3, 2024, she was revealed as the twenty-third member of the girl group tripleS and a member of its sub-unit Glow.[1] On the same day, it was announced that a voting event will be held to allow fans to determine whether she goes by her given name or a stage name.[2] On April 6, SeoAh (서아) was chosen as her stage name.[3]
She made her debut as a tripleS member on May 8, 2024 with the album Assemble24.