| Vocals / 歌 | ayumi hamasaki |
| Lyricist / 作詞 | ayumi hamasaki |
| Composer / 作曲 | Kazuhiro Hara / 原一博, Miki Watanabe / 渡辺未来 |
| Arranger / 編曲 | CMJK, HΛL |
| Additional Background Vocal Arrangement / Additional Background Vocal Arrangement | Shingo Kobayashi / 小林信吾 |
| Drums / Drums | Nobuo Eguchi / 江口信夫 |
| Programming / Programming | CMJK, HΛL |
| Guitar / Guitar | CMJK, HΛL |
| Additional Background Vocal / Additional Background Vocal | SANAE |
| Mixed by / Mixed by | Koji Morimoto / 森元浩二 |
| Produced by / Produced by | max matsuura |
| A&R / A&R | Yasuyuki Tomita / 冨田恭通 (avex trax) |
| Directed by / Directed by | Yasuyuki Tomita / 冨田恭通 (avex trax) |
| Mastered by / Mastered by | Kazushige Yamazaki / 山崎和重 |
| Mastered at / Mastered at | FLAIR |
| A&R Coordination / A&R Coordination | Kentaro Furusawa / 古沢賢太郎 (avex trax) |
| Executive Supervisor / Executive Supervisor | Hiroaki Ito / 伊東宏晃 (tearbridge production), Daisuke Shimokawa / 下川大介, Katsuro Oshita / 大下勝朗 (avex group) |
| Artist Management / Artist Management | Yuta Kikuchi, Kouji Hashimoto, Tadashi Urakami (avex entertaiment inc.) |
| Artist Promotion Supervisor / Artist Promotion Supervisor | Akira Akutsu / 阿久津明 (avex entertaiment inc.) |
| Artist Promotion / Artist Promotion | Koki Sato / 佐藤浩輝, Media-Planning Division (avex entertaiment inc.) |
| Tie-up Coordination / Tie-up Coordination | Masaomi Takagi / 高木政臣, Kenta Kobayashi, Naohiro Yazaki / 矢﨑直博 (avex entertaiment inc.), Tatsuo Kodama, Shingo Kitagawa, Kazunari Ishii (avex entertaiment inc.) |
| Sales Promotion / Sales Promotion | Hideo Yamamoto / 山本ヒデオ, Masatoshi Furukawa, Atsushi Shiraishi, All avex marketing communications inc. Staff |
| Visual Producer / Visual Producer | Kiyoshi 'Utsumizm' Utsumi (to max inc.) |
| Artist Brand Management / Artist Brand Management | Motohiro Abe / 阿部元博 (avex entertaiment 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 |
| Costume Creator / Costume Creator | Akira Noda (Workaholik) |
| Fashion Director / Fashion Director | Kei Ito (ab fab) |
| Stylist / Stylist | Hideo 'Kokomi' Suzue (H) |
| Hair / Hair | Keizo Kuroda (THREE PEACE) |
| Assistant Hair / Assistant Hair | Kazuhisa Kurumizawa |
| Make Up / Make Up | Keizo Kuroda (THREE PEACE) |
| 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 |
| Equipment Assistance / Equipment Assistance | SUNDANCE |
| Creative Coordination / Creative Coordination | Naoki Ueda / 上田直樹 (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 | Yuta Matsuki, Naoya Munemura / 宗村直哉 (avex network inc.) |
| Video Clip Directed by / Video Clip Directed by | Tetsuo Inoue, Masashi Muto, Wataru Takeishi |