Stray Kids released its digital single 'Mixtape: Gone Days' on Dec. 26.

The Stray Kids, who released their mini album "Clé: LEVANTER" on Dec. 9, and is sweeping various music charts at home and abroad, heralded a special year-end gift. Stray Kids posted two teaser images for their new song "Mixtape: Gone Days" on their official SNS channel at midnight on Dec. 24.

There are many hints about the new song hidden in the fresh design, such as looking at the actual work screen, drawing attention. In particular, the computer screen showed the analogy of the new song "Credit and Lyrics," which aroused curiosity among viewers.

Following Bang Chan’s lyrics and compositions, rapper GIRIBOY added a hand to the arrangement, which embodies sound with high perfection. The digital single released this time is part of the "Mixtape Project," which Stray Kids foretold earlier this year.

It is a project to sing the story of people who have lost direction and are troubled with the way Stray Kids alone and with emotion. The eight members have a glimpse of the world of original music.

Meanwhile, Stray Kids, the "next-generation K-pop flagship group," who is leading the global craze with solid stage skills, will embark on a world tour on the back of their enthusiastic support.

Starting with the U.S. in January next year, they will meet fans from all over the world through the world tour "Stray Kids World Tour "District 9: Unlock."

It will stage in New York on Jan. 29, 2020, Atlanta on Jan. 31, Dallas on Feb. 2, Chicago on Feb. 5, Miami on Feb. 7, Phoenix on Feb. 9, San Jose on Feb. 13 and Los Angeles on Feb. 16.