After the world split in two, a mysterious sound called 'Hertz (Hz)' began to spread. To protect the world, FREYA Entertainment launches 'Project Byeolha' and gathers promising trainees in CONUS LAB, deep underground. Starsis is the virtual girl group that makes the world resonate again through song and cheers.
- Debut
- 'LOG-IN'
- Universe
- US&CONUS
- Members
- ARA · HANBYEOL · SAENA · GOWOON · DAHAE
