The band was formed with Kazuki, Haru and Reiya, but had Roji on drums. They were mostly active around their hometown scene. On December 3, 2015, they performed at the anniversary concert for Osaka Muse venue, announcing the simultaneous release of the single "Shitai Dakedeshi yo?", and a compilation album "
Chūdoku Shōjō" on March 23. Roji left the band in August 2017. The single "Horror" was released on April 22, 2020 and, four months later, they announced a new EP called Ai (愛)「」, relesead on September 28. On May 5, 2021, the EP
Gogatsubyou (五月病) came out, which had its title song's video released on April. It was the best selling album of the band until that point. In June, they announced their second studio album, the first in four years, called
Shippaisaku (失敗作), relseased on October 10. In 2023, they released three singles: "Kumo no Ito" (蜘蛛の糸) in April, "Hishatai wa Shitai" (被写体は死体) in July, and "Draw" (ドロー) in October. The last one was released in seven versions and was the ending theme for the anime
Duel Masters: WIN Duel Academy Edition, it was the first time the band had a song in an anime series. Xaa-Xaa performed internationally for the first time at
Katsucon, in the United States, in February, 2024. == Influences ==