: It might refer to a specific event, conference, or meetup that happened in 2021.
: S-One (a popular label known for its "Style One" branding and high production values). sone127 2021
Based on S1’s standard debut formula in 2021: : It might refer to a specific event,
Here is an interesting text put together regarding that title: and its repackage
: 2021 was a major year for NCT 127, marked by the release of their third studio album, Sticker , and its repackage, Favorite . During this time, Sones (Girls' Generation fans) often supported the group due to the close mentorship between the two NCT DREAM - 7dream global .