To commemorate 20 years since her debut, Koda Kumi will be releasing an all-time best album (currently untitled) on her debut anniversary day, December 6. 

Koda celebrated her 20th debut anniversary last year. Her upcoming album will be released in a Regular Edition and a Fan Club Edition. The Regular Edition will come with three CDs containing a majority of her singles released until now and a DVD. Meanwhile, the Fan Club Edition will come with 8 CDs covering all of her singles and 3 Blu-ray discs.

More details will be revealed later, so stay tuned!