| Vocals / Vocals | ayumi hamasaki |
| Composer / 作曲 | tasuku, Shintaro Hagiwara / 萩原慎太郎, Sosaku Sasaki / 佐々木聡作, Kazuhiro Hara / 原一博 |
| Arranger / 編曲 | HΛL, CMJK |
| Lyricist / 作詞 | ayumi hamasaki |
| Programming / Programming | Toshiharu Umesaki / 梅崎俊春, Takehito Shimizu / 清水武仁, CMJK |
| Additional Programming / Additional Programming | Mayuko Maruyama / 丸山真由子 |
| Synth / Synth | Toshiharu Umesaki / 梅崎俊春 |
| Guitar / Guitar | Takehito Shimizu / 清水武仁, CMJK |
| Drums / Drums | Tomu Tamada |
| Mixed by / Mixed by | Koji Morimoto / 森元浩二, Shojiro Watanabe / 渡辺省二郎 |
| Remixed by / Remixed by | DJ TAKI-SHIT, Takahiro Izutani / イズタニタカヒロ |
| Produced by / Produced by | max matsuura |
| Directed by / Directed by | Koji Morimoto / 森元浩二 |
| Recorded by / Recorded by | Koji Morimoto / 森元浩二 |
| Mastered by / Mastered by | Shigeo Miyamoto / 宮本茂男 |
| Mastered at / Mastered at | FLAIR |
| A&R / A&R | Kentaro Furusawa (tearbridge production) |
| A&R Direction / A&R Direction | Hidetomo Yoneda (tearbridge production) |
| A&R Creative Assist / A&R Creative Assist | Hidemi Ino (tearbridge production) |
| Head of A&R / Head of A&R | Hiroaki Ito / 伊東宏晃 (tearbridge production) |
| Artist Management / Artist Management | Yuka Kikuchi, Kouji Hashimoto, Tadashi Urakami (avex entertainment inc.) |
| Media Promotion / Media Promotion | Koki Sato, All Media Division Promotion Room staff |
| Sales Promotion / Sales Promotion | Hideo Yamamoto / 山本ヒデオ, All avex marketing communications inc. staff |
| Visual Producer / Visual Producer | Kiyoshi 'Utsumizm' Utsumi (to max inc.) |
| Artist Brand Management / Artist Brand Management | Motohiro Abe (avex entertainment inc.) |
| General Producer / General Producer | Shinji Hayashi / 林真司, Ryuhei Chiba / 千葉龍平 (avex group) |
| Art Direction / Art Direction | Shinichi Hara / 原神一 |
| Design / Design | Takuma Noriage / 乗上拓摩 (momoya) |
| Photographer / Photographer | Kazuki Shimomura (AVGVST) |
| Assistant Photographer / Assistant Photographer | Satoko Mitomi |
| Fashion Director / Fashion Director | Kei Ito (ab fab) |
| Stylist / Stylist | Hideo 'Kokomi' Suzue (H) |
| Hair / Hair | Keizo Kuroda (THREE PEACE) |
| Make Up / Make Up | Keizo Kuroda (THREE PEACE) |
| Assistant Hair / Assistant Hair | Kazuhisa Kurumizawa |
| Assistant Make Up / Assistant Make Up | Kazuhisa Kurumizawa |
| Nail Artist / Nail Artist | Kanako 'Bancho' Miura / 三浦'Bancho'加納子 |
| Stand In / Stand In | Takami 'Poroko' Desaki |
| Special Thanks / Special Thanks | Lono |
| Creative Coordination / Creative Coordination | Naoki Ueda (avex marketing communications inc.) |
| CG Treatment / CG Treatment | Makoto Harikae, Hiroko Tanaka (amana) |
| Quality Control / Quality Control | Shuichi Takahashi (avex marketing communications inc.) |
| DVD Authoring / DVD Authoring | Naoya Munemura / 宗村直哉, Noriko Sakakihara / 榊原範子 (avex network inc.) |
| Fan Club Staff / Fan Club Staff | Kazuki 'Mr' Okabe (avex entertainment inc.) |
| Visual Production Assistant / Visual Production Assistant | Yukako Tanaka (to max inc.) |
| Video Clip Directed by / Video Clip Directed by | Wataru Takeishi, Koki Tange |