2Rox

On November 13, 2022 it was announced that Ryu Su-jeong would make an appearance as a special guest for Xylø's South Korea Fanmeeting on November 19.^[1] During the show Ryu and Xylø performed "Bad Grls" prior to its release and announced that they would collaborate for a project "2Rox".^[2] In an interview for the album release, Ryu said she often listened to Xylø's music and decided to reach out to her on social media for a collaboration because she felt Xylø’s style and image fit the dark pop direction she wanted for her next project. Xylø accepted the offer as she was interested in K-pop.^[3]

On November 24, a pop-up event was held to preview the upcoming album. On December 19, Ryu announced the release date for the album and pre-release single. "Fallen Angel" was released on January 10, 2024 as a pre-release single.^[4] The album was released on January 24, along with the track video for the lead single "Shxt".^[5] To promote the album, Ryu held her second concert The Fallen Angel on February 15 and 16.^[6]