, is a

Japanese idol An is a type of entertainer marketed for image, attractiveness, and personality in Japanese popular culture, Japanese pop culture. Idols are primarily singers with training in other performance skills such as acting, dancing, and modeling. Idol ...

girl group A girl group is a music act featuring two or more women in music, female singers who generally vocal harmony, harmonize together. The term "girl group" is also used in a narrower sense in the United States to denote the wave of American female p ...

that formed in June 2024. They released their debut single, "Heirasshai! – Nippon de Aimashō / Ubu to Zuru", in March 2025.

History

2023–present: Formation and debut

On May 23, 2023,

Hello! Project is a Japanese musical collective consisting of all female recording artists and groups under Up-Front Promotion, a subsidiary of Up-Front Group. The name was initially used as Michiyo Heike and Morning Musume's fan club name in 1999, but ...

announced that they would be forming a new girl group. Rosy Chronicle's final line-up and name were announced on June 16, 2024. Rosy Chronicle debuted on March 19, 2025, with the single "Heirasshai! – Nippon de Aimashō / Ubu to Zuru". On July 23, they will release their second single "Natsu no Inazuma / Gao Gao Gao".

Members

* - Leader * * * * * * * *

Timeline

Discography

Singles

References

External links

Official website
{{Authority control Japanese girl groups Japanese idol groups Japanese pop music groups Musical groups from Tokyo 2024 establishments in Japan Musical groups established in 2024