The track marks a new phase in Jennie's career as she prepares for the release of her first solo album, "Ruby," scheduled for March 7th. "ExtraL" is the third single from "Ruby," which will also feature collaborations with Dua Lipa, Childish Gambino, and Kali Uchis.
Jennie told Billboard that she had creative control over the project, experimenting with various genres and elements. She emphasized ensuring she enjoyed every track, fighting for her vision and collaborating with supportive individuals.