[1] "That's Okay" is an R&B pop song featuring a warm acoustic guitar and a minimalist drum beat.

The lyrics are about letting go of sad feelings and having hope, in order to achieve happiness.

participated in writing the lyrics of the song, and that it would be released on the day of his military enlistment, July 1, as a gift for his fans.

[3][4] On June 28, SM released an image teaser for the song.

[5] The music video is an animation that shows the story of a man finding comfort in reviving a dying potted cactus following the passing of his pet dog.