| Arranged by / Arranged by | Hikaru Utada / 宇多田ヒカル |
| Keyboard / Keyboard | Hikaru Utada / 宇多田ヒカル, Matt Rohde |
| Programming / Programming | Hikaru Utada / 宇多田ヒカル, Matt Rohde |
| Additional Programming / Additional Programming | Alexis Smith |
| Acoustic Piano / Acoustic Piano | Matt Rohde |
| Recorded by / Recorded by | Pat Woodward, Atsushi Matsui |
| Pro-Tools Operation / Pro-Tools Operation | Glenn Erwin |
| Recorded at / Recorded at | Westlake Audio, Bunkamura Studio |
| Mastered by / Mastered by | Tom Coyne |
| Mastered at / Mastered at | Sterling Sound |
| Art Direction / Art Direction | Kazuaki Kiriya, Mitsuo Shindo for Contemporary Production |
| Photography / Photography | Kazuaki Kiriya |
| Design / Design | Mitsuo Shindo for Contemporary Production, Takayuki Aoya for Contemporary Production |
| Produced by / Produced by | Hikaru Utada / 宇多田ヒカル, Akira Miyake / 三宅彰, Teruzane Skingg Utada |
| Overseas Coordination / Overseas Coordination | Yuuko Honda for Fourth Dimension Production, Michael T. Martin for UnderCover Inc. |
| Directed by / Directed by | Hidenobu Okita / 沖田英宣 |