| Vocals / Vocals | ayumi hamasaki |
| Words / Words | ayumi hamasaki |
| Composer / 作曲 | GEO of SWEETBOX, Kazuhito Kikuchi / 菊池一仁, CREA, D·A·I |
| Arrangement / Arrangement | CMJK |
| Programming / Programming | CMJK |
| Guitar / Guitar | CMJK |
| Strings / Strings | Gen Ittetsu Strings / 弦一徹ストリングス |
| Background Vocal / Background Vocal | Yolanda Wyns, Audley Wheeler, Gloria Ryann, Chantale Cerisier, Vickie Natale, Emiko Masumura, Aya Hinata, Keiko Kurachi, Junko Watanabe, Ayako Kawashima, Kaoru Kubota / 久保田薫, KANAMI, Reiko Ohshima, Junko Hirotani / 広谷順子, Miwako "Peco" Hamada / 濱田"Peco"美和子, Yoko "Princess" Yamazaki, Kaori Nishina / 仁科薫理, Sanae Watanabe, Hiroaki "Tommy" Tominaga, Hitomi Kobayashi, Hibari Children Chorus / ひばり児童合唱団 |
| Remixed by / Remixed by | M.O.R, Heigo Tani / 谷丙午 (Co-Fusion) |
| Mixed by / Mixed by | Koji Morimoto / 森元浩二 |
| Mixed at / Mixed at | prime sound studio form, Sony Music Studios |
| Recorded by / Recorded by | Koji Morimoto / 森元浩二 |
| Recorded at / Recorded at | prime sound studio form, Sony Music Studios |
| Mastered by / Mastered by | Chris Athens, Shigeo Miyamoto / 宮本茂男 |
| Produced by / Produced by | max matsuura |
| Directed by / Directed by | Koji Morimoto / 森元浩二 |
| Mastered at / Mastered at | Sterling Sound, FLAIR |
| A&R / A&R | Kentaro Furusawa (avex entertainment inc.) |
| A&R Direction / A&R Direction | Hidetomo Yoneda (avex entertainment inc.) |
| A&R Creative Assist / A&R Creative Assist | Hidemi Ino (avex entertainment inc.) |
| Head of A&R / Head of A&R | Hiroaki Ito / 伊東宏晃 (avex entertainment inc.) |
| 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 (MOMOYA) |
| Photographer / Photographer | ND CHOW (Angle) |
| Assistant Photographer / Assistant Photographer | Takuo Arai |
| Fashion Director / Fashion Director | Kei Ito (ab fab) |
| Stylist / Stylist | Hideo 'Kokomi' Suzue (H) |
| Hair / Hair | Keizo Kuroda (Theree Peace) |
| Make Up / Make Up | Keizo Kuroda (Theree 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 |
| Cover Design Location Coordinator / Cover Design Location Coordinator | Stanley Izumi Kim (s.i.k.e) |
| 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 | Yuka Matsuki, Naoya Munemura / 宗村直哉 (avex network inc.) |
| Fan Club Staff / Fan Club Staff | Kazuki 'Mr' Okabe (avex entertainment inc.) |
| Off Shot Movie / Off Shot Movie | Kazuki 'Mr' Okabe (avex entertainment inc.) |
| Video Clip Directed by / Video Clip Directed by | Luis Hernandez |
| Creative Director / Creative Director | Mika 'Mikajohn' Noguchi |
| Movie Photographer / Movie Photographer | Mitsuo 'Hime' Yamamoto |
| Assistant Director / Assistant Director | Yukako Tanaka (to max inc.) |
| Location Coordinator / Location Coordinator | Day O Productions, inc. |