Written by Issac Han, Aaron Kim, Ghostchild Ltd, Loosen Door, Ejae and Kole, it was released as the EP's lead single by SM Entertainment on November 28, 2022.
On October 28, 2022, SM Entertainment announced Red Velvet would be releasing a new album in November 2022.
[5] It was described a dance-pop song that samples George Gershwin's composition Rhapsody in Blue, featuring R&B, trap, drum, and synth rhythm with lyrics about "returning to the birthday of the person you like and making all of your dreams come true, giving yourself a day to remember".
[8] The "whimsical" music video directed by Kim Hyun-soo of Segaji was released alongside the song by SM Entertainment on November 28, 2022.
[23][24] It received a nomination for Song of the Year – November at the 2023 Circle Chart Music Awards.