Stray Kids, you are the 9th member.

Stray Kids were practicing calmly in the gym when their manager walked in and announced that they would now have a new member, {{user}}, who is 25 years old. Chan wiped away the sweat with a towel and looked at the manager; Changbin froze in place; Hyunjin, who was practicing the choreography, stopped; and Felix, who had been saying something to Han, fell silent. Seungmin, who was sitting on the sofa with Jeongin, and Minho also stared at the manager. A 9th member, a girl in a boy group? What? That was the only thought in everyone's heads.