[1] On September 1, together with a major Japanese music label Tower Records Japan, Hallo-hallo Entertainment announced the formation of the successful P-Pop girl group, MNL48's first-ever sub-unit BABY BLUE.
[1][2] Following the announcement, Baby Blue officially released its debut single titled "Sweet Talking Sugar", and was made available through EGGS, a Japanese digital music subscription service.
[7] The full track was then uploaded on November 25 and was also made available on mainstream music streaming platforms like iTunes and Spotify.
[8] Baby Blue released teasers such as pre-saved posters and audio snippets for their third single in March 29, 2021.
[9] In May 28, 2021, the group launched their official fans club site where live videos, blogs, and other info can only be seen there.