Letters

Producer: Akira Miyake - Artist: Hikaru Utada - Producer: Hikaru Utada - Producer: Teruzane Skingg Utada - Recording Arranger: Kei Kawano - Recording Arranger: Hikaru Utada - Recording Engineer: Masaaki Ugajin - Mixer: Steve Fitzmaurice - Vocals: Hikaru Utada - Keyboards: Kei Kawano - Programming: Kei Kawano - Piano: Kei Kawano - Programming: Hikaru Utada - Synthesizer Programming: Kazuhide Tsunemi - Acoustic Guitar: Char - Acoustic Guitar: Yuji Toriyama - Acoustic Guitar: Hisashi - Acoustic Guitar: Hironori Akiyama - Acoustic Guitar: Skingg - Acoustic Guitar: Yuichiro Larry Honda