Producer: Akira Miyake - Artist: Hikaru Utada - Producer: Hikaru Utada - Producer: Teruzane Skingg Utada - Recording Arranger: Hikaru Utada - Recording Engineer: Atsushi Matsui - Mixer: Steve Fitzmaurice - Vocals: Hikaru Utada - Keyboards: Hikaru Utada - Programming: Hikaru Utada - Programming: Kazuhide Tsunemi - Programming: Yuzuru Tomita - Strings: Junko Makiyama Strings - String Arranger: Hikaru Utada - String Arranger: Yuzuru Tomita