Itzy debuted in Japan under
Warner Music Japan on September 1, 2021, with the release of the compilation extended play ''What'z Itzy'', which featured the quintet's previous singles. A compilation album featuring Japanese versions of the quintet's singles, titled ''It'z Itzy'', was released later that year, on December 22. The group's first original Japanese-language song was released on April 6, 2022, with the release of the
maxi single "
Voltage". A second maxi single, titled "
Blah Blah Blah", followed on October 5. During the Japan leg of the
Checkmate World Tour, in February 2023, Itzy revealed their plans for their first full-length Japanese studio album as part of a surprise announcement. On August 7, 2023,
JYP Entertainment officially announced the album,
Ringo, and the titles of its eleven tracks. ==Music and lyrics==