Secret is a South Korean girl group that originally debuted in 2009 and became one of the most recognizable acts of K-pop's second generation. The group gained popularity through a series of successful releases, including Magic, Madonna, Shy Boy, and Poison. Known for their strong vocals, catchy melodies, and versatile concepts, Secret built a dedicated fanbase both in South Korea and internationally. The original lineup consisted of Jun Hyoseong, Jung Hana, Song Jieun, and Han Sunhwa. After years of limited group activity, Secret returned in 2026 with a renewed lineup featuring Hyoseong, Hana, and a new member, Kim Yebin.

Yebin is a talented singer who first gained wider recognition through the survival program Girls On Fire. Before joining Secret, she had already begun establishing herself as a solo artist, earning praise for her vocal ability and stage presence. Her addition marks the first time in the group's history that a completely new member has joined the lineup. As the youngest member of the current formation, Yebin brings fresh energy while maintaining the group's emphasis on strong live vocals. Her arrival has attracted attention from both longtime Secret fans and newer K-pop audiences, creating excitement about the group's future direction. With their 2026 comeback and the release of the mini-album Secret Flavor, Secret have entered a new chapter that combines the legacy of a classic K-pop group with the potential of a new generation. Yebin's addition symbolizes both continuity and renewal, helping Secret introduce their music to a new audience while honoring the group's long-standing history.