AtHeart · Profile

서현

서현 (Seohyeon) is a member of AtHeart, a seven-member South Korean girl group under Titan Content. She was publicly introduced on November 12, 2024, as part of the second round of member reveals ahead of the group's formation. AtHeart issued the pre-debut single "Good Girl" on May 29, 2025, then debuted with the five-track extended play Plot Twist on August 13, 2025. Billboard Korea named the group Rookie of the Month following the debut.