On December 23, HaYeon was announced as the latest addition to tripleS, becoming the 19th member overall and the 3rd part of their sub-unit NXT. This announcement comes shortly after Lynn and JooBin were introduced as the 17th and 18th members, respectively. The anticipation continues to build as the 20th and final member of tripleS, as well as the last addition to NXT, is set to be unveiled on December 24 at 18:00 KST.

Meanwhile, there's been a buzz around tripleS as their app, Cosmo, inadvertently revealed the faces of the 19th and 20th members, leading fans to speculate that HaYeon and Sion, a Modhaus trainee, are the mysterious additions.

In other exciting news, tripleS unit ARIA is preparing to make a grand debut with a ballad concept. The lineup includes Lee JiWoo, Kim ChaeYeon, Kaede, Seo DaHyun, and Nien, with their debut track featuring heartfelt lyrics from the renowned Heize.

Additionally, NXT has already made waves with the release of their debut single, "Just Do It," earlier today. The track features NXT members Lynn, JooBin, HaYeon, alongside a yet unknown member.

Stay tuned for these captivating developments, including the premiere of the debut digital single and the eagerly awaited reveal of tripleS's 20th member.