It’s been almost five years since NCT Dream was launched as a seven-member group under SM Entertainment’s sprawling NCT project. The sub-unit, who were then 15 to 17 years old, presented a bubble gum pop counterpart to the rest of the NCT units and debuted with a song called “Chewing Gum.” Several EPs and a live album later, NCT Dream finally released a proper full-length album with “Hot Sauce (맛).”