Cortis returned Monday with prerelease track “RedRed,” showcasing a bolder, more self-defined musical identity ahead of its upcoming second EP. Dubbed a “young creator crew,” the BigHit Music act has distinguished itself by taking part in all aspects of production — from songwriting and choreography to video direction — setting it apart from typical rookie groups. The boy group debuted last year as a junior act following BTS and Tomorrow X Together. It quickly drew attention with its debut album