It was released as the extended play's lead single by Brave Entertainment on March 14, 2022.
[1] Two days later, it was announced that Brave Girls would be releasing their sixth extended play titled Thank You.
[2] On March 4, the track listing was released with "Thank You" announced as the lead single.
[5][6] "Thank You" was described as a retro dance pop and disco funk song that "contains exciting rhythm and addictive melodies.
"[7][8] "Thank You" was composed in the key of A-flat minor, with a tempo of 122 beats per minute.