The name Space A was introduced on the show as 'the first group to fill the empty space.' Later, according to Kim Hyun-jung, the original main vocalist, who appeared on a radio show in 2019, the name was given because it was the first team formed by an agency with the word 'space' in its name. Space A's team led the second half with Kim Hyun-jung, who led the first half, and Ahn Yu-jin, who was recruited as the team's main vocalist from mid-season, led the second half. Read more on Last.fm