Start Again EP is an extended play by Japanese singer Crystal Kay, released on February 24, 2023, by Virgin Music.

In 2020, Crystal Kay returned to performing in a Japanese version of Pippin, which gave her a nomination for Best Actress at the 2020 Yomiuri Theater Awards.

[3][4][5] In January 2023, Kay revealed she would be providing songs for A2Z, an Amazon Prime Video original Japanese drama show.

[9] In an interview with Music Natalie, Kay stated she co-wrote songs with Emi Meyer, a Japanese jazz singer-songwriter.

[10] Kay additionally revealed all the songs on the EP would be recorded in English, rather than in Japanese.