Composed by Sean Kennedy, Johan Fransson, Henrik Goranson, Yoo Young-jin and Kriz, it is a dance-pop song with trap and heavy-synths elements featuring whistling sound.

[5] On September 26, a mood sampler was released through Red Velvet's social media accounts.

[10] In the lyrics, Seulgi show off "the menacing" side of herself, where she enjoys the power she has to "crush" those who are attracted to her or obsessed with her.

[11] The promotion for the single started with Mnet's M Countdown on October 6, followed by KBS2TV's Music Bank on the 7th, MBC's Show!

[16] On a press conference with "Tong Tong Culture," Seulgi explained that the dance performance and the music video concept was Inspired by the Marvel Universe character, Wanda Maximoff, known as the Scarlet Witch, she furthermore explained: "There are a lot of gorgeous hand movements.