The song is written by Hwang Yu-bin and composed by RoseInPeace, Saimon, Willemijn van der Neut, Marcia "Misha" Sondeijker.

Initially a standalone single, the song was later included on Taeyeon's third studio album, INVU, released on February 14, 2022.

[6] "Weekend" is composed by Hwang Yu-bin, RoseInPeace, Saimon, Willemijn van der Neut, and Marcia "Misha" Sondeijker.

[19][20] The song ascended to number four on the Billboard K-pop Hot 100 in the chart issue dated September 18, 2021.

[24] Prior to the song's release, on July 6, 2021, Taeyeon held a live event called "Weekend: Taeyeon Entertainment's 1st Half of the Year Meeting'" on V Live to introduce the song and communicate with her fans.