15& is a South Korean girl group formed by JYP Entertainment in 2014. The group consists of two members, Yerin and Jiwon, who gained attention after participating in the reality survival show K-pop Star. They are known for their unique blend of pop and R&B music, showcasing their vocal talents and songwriting abilities. The duo debuted with their single album "Sugar" in 2014, which featured the title track "I Dream." 15& has since released several songs and albums, earning recognition for their harmonious sound and engaging performances. They continue to be active in the South Korean music scene.