Arranged By [Strings] – Utada Hikaru, Yuzuru TomitaMixed By – Goetz B.*Programmed By [Additional] – Kazuhide Tsunemi, Yuzuru TomitaRecorded By – Atsushi MatsuiStrings – Makiyama Junko StringsWritten-By, Arranged By, Programmed By, Keyboards – Utada Hikaru

Mixed By – Goetz B.*Piano [Acoustic] – Utada Hikaru, Yuzuru TomitaProgrammed By [Additional] – Yuzuru TomitaRecorded By – Atsushi MatsuiWritten-By, Arranged By, Programmed By, Keyboards – Utada Hikaru

Mixed By – Goetz B.*Programmed By [Additional] – Yuzuru TomitaRecorded By – Atsushi MatsuiWritten-By, Arranged By, Programmed By, Keyboards – Utada Hikaru

Mixed By – Goetz B.*Programmed By [Additional] – Yuzuru TomitaRecorded By – Atsushi MatsuiWritten-By, Arranged By, Programmed By, Keyboards – Utada Hikaru

Mixed By – Goetz B.*Programmed By [Additional] – Alexis Smith, Yuzuru TomitaRecorded By – Atsushi MatsuiWritten-By, Arranged By, Programmed By, Keyboards – Utada Hikaru

Acoustic Guitar – Tsuyoshi KonArranged By – Alexis Smith, Utada Hikaru, Yuzuru TomitaArranged By [Strings] – Takuo Yamamoto, Utada Hikaru, Yuzuru TomitaMixed By – Goetz B.*Piano [Acoustic] – Hiroshi OkamotoProgrammed By, Keyboards, Electric Bass – Alexis SmithRecorded By – Atsushi MatsuiStrings – Chieko Kinbara Strings*Written-By – Utada Hikaru

Arranged By – Utada Hikaru, Yuzuru TomitaProgrammed By, Keyboards – Yuzuru TomitaRecorded By, Mixed By – Atsushi MatsuiWritten-By, Programmed By [Additional] – Utada Hikaru

Mixed By – Goetz B.*Programmed By [Additional] – Alexis Smith, Yuzuru TomitaRecorded By – Atsushi MatsuiWritten-By, Arranged By, Programmed By, Keyboards – Utada Hikaru

Bass – David Carpenter*Mixed By – Goetz B.*Programmed By [Additional] – Alexis SmithProgrammed By, Keyboards – Matt Rohde, Utada HikaruRecorded By – Atsushi Matsui, Daniel BurnsWritten-By, Arranged By – Utada Hikaru

Drums – Forrest RobinsonGuitar – Ben MauroMixed By – Goetz B.*Other [Pro-tools Operation] – Glenn ErwinPiano [Acoustic] – Matt RohdeProgrammed By [Additional] – Alexis SmithProgrammed By, Keyboards – Matt Rohde, Utada HikaruRecorded By – Atsushi Matsui, Pat WoodwardWritten-By, Arranged By – Utada Hikaru

Acoustic Guitar – Tsuyoshi KonDrums – Forrest RobinsonMixed By – Goetz B.*Programmed By [Additional] – Brio TaliaferroRecorded By – Atsushi MatsuiWritten-By, Arranged By, Programmed By, Keyboards – Utada Hikaru

Acoustic Guitar – Tsuyoshi KonMixed By – Goh HotodaRecorded By – Atsushi Matsui, Goh HotodaWritten-By, Arranged By, Programmed By, Keyboards, Piano [Acoustic] – Utada Hikaru

Drums – Dan ReynoldsProducer, Programmed By, Guitar – Russell McNamaraWritten-By – Utada Hikaru

Bass – Takeshi TanedaDrums – Noriyasu KawamuraGuitar – Tsuyoshi KonMixed By – Goetz B.*Piano [Acoustic] – Hiroshi OkamotoRecorded By – Atsushi MatsuiWritten-By, Arranged By – Utada Hikaru

Arranged By, Programmed By, Keyboards – Matt RohdeBass – Chris ChaneyDrums – Gary NovakGuitar – Phil Xenidis*Mixed By – Goetz B.*Piano [Acoustic] – Matt RohdeRecorded By – Atsushi Matsui, Daniel BurnsWritten-By, Arranged By, Programmed By, Keyboards – Utada Hikaru

Chorus – Synergy Vocals*Engineer [Assistant/additional] – Damien LewisMixed By – Phil TanProgrammed By [Additional] – Alexis Smith, Yuzuru TomitaRecorded By – Atsushi Matsui, Goetz B.*, Masahito KomoriWritten-By, Arranged By, Programmed By, Keyboards – Utada Hikaru

Arranged By – Naruyoshi Kikuchi, Utada HikaruBass – Masato SuzukiDrums – Tamaya HondaElectric Piano – Masayasu TzboguchiFlute – Akemi OhtaMixed By – Goetz B.*Percussion – Takashi ItaniRecorded By – Atsushi Matsui, Masaki TakamuraWritten-By – Édith Piaf*, Marguerite Monnot

Mixed By – Goetz B.*Piano [Acoustic] – Hiroshi OkamotoProgrammed By [Additional] – Alexis SmithRecorded By – Atsushi MatsuiWritten-By, Arranged By, Programmed By, Keyboards – Utada Hikaru