The long-awaited debut of TWS, often referred to as Seventeen's younger sibling group, is set for January 22, 2024. The group has started building anticipation by announcing the release of a pre-released song on January 2 KST, signaling their official entry into the K-pop scene.

To kick off the journey to their debut, TWS surprised fans by unveiling a promotion scheduler image for their debut mini album, 'Sparkling Blue,' on their official social media accounts on midnight of December 27 KST.

TWS's debut mini album 'Sparkling Blue' and the music video for the title song will simultaneously drop worldwide at 6 PM on January 22. To mark this significant moment, they will hold their debut showcase on Mnet at 7 PM, followed by a face-to-face fan interaction event at 9 PM.

Pledis Entertainment expressed their enthusiasm for TWS's debut, stating, "We are preparing a lot of rich content that is not included in the promotion schedule around the TWS debut," and added, "Please look forward to their unprecedented progress."