With NCT U and NCT 127 successful debut, SM Entertainment decided to shock everyone by releasing a random teaser photo of 16 mysterious girls. Just like BigHit, out of nowhere they dropped the bomb, shocking news that would definitely stirs up the medias, fans and public people.

Wow! Isn't it a GREAT idea to debut a new girl group, out of nowhere, when all of NCT's members are not even fully revealed and complete yet. Though, the CEO, proudly, claimed that these talented girls is NCT's sister group, consisting of 16 members in total. A big number isn't it? But they all will be separated into small units of 4, 3 of the units will be promoting outside of Korea in countries such as, China, Japan and Thailand! Exciting, right?