- The younger members of SM Rookies will debut in a smaller group (5 members) - Their ages will range from the years 1998-2003 - They will debut in 2019 - Their genre and style will be a mix of TVXQ and SHINee
- The younger members of SM Rookies will debut in a smaller group (5 members) - Their ages will range from the years 1998-2003 - They will debut in 2019 - Their genre and style will be a mix of TVXQ and SHINee