[3] The track listing was released on January 16, with "Attitude" announced as the second single.
[7] "Attitude" was written by Seo Ji-eum, Nietzsche, and Jang Won-young, composed and arranged by James Lewis and Ryan S. Jhun, with Suzanne Vega, Roland Spreckley, Olga Sundin, and Lotte Morkved contributing to the composition.
[4] It was described as a "retro vibe" song that samples Suzanne Vega's "Tom's Diner" with lyrics about "determining one's attitude in a given situation".
[8] Ive performed the song on four music programs in the first week of promotion: Mnet's M Countdown on February 6,[9] KBS's Music Bank on February 7,[10] MBC's Show!
[12] In the second week of promotion, they performed on music programs: M Countdown on February 13,[13]