The eight-member girl group under SM Entertainment released their debut single album, "The Chase," which featured the lead single of the same name and the B-side track "Butterflies". Their debut marked SM Entertainment's first new girl group in five years following the launch of aespa in 2020. They debut February 24, 2025.

Carmen is the oldest.

Jiwoo is the leader and second oldest.

Yuha is third oldest.

Stella is fourth oldest.

Juun is fifth oldest.

Ana is third youngest.

Ian Is second youngest.

Yeon is the youngest.