| Vocals / Vocals | ayumi hamasaki |
| Words / Words | ayumi hamasaki |
| Composer / 作曲 | CREA, BOUNCEBACK, D·A·I, Tetsuya Yukumi / 湯汲哲也, Kazuhiro Hara / 原一博, tasuku, Tetsuya Komuro / 小室哲哉 |
| Arrangement / Arrangement | HΛL, tasuku, Kotaro Kubota / 久保田光太郎, CMJK, Ken Shima / 島健, HIKARI, Tetsuya Komuro / 小室哲哉 |
| Programming / Programming | HΛL, tasuku, CMJK, Toshiharu Umesaki / 梅崎俊春, Takehito Shimizu / 清水武仁, Takahiro Iida / 飯田高広, Yoshinori Kadoya / 角谷仁宣, HIKARI |
| Additional Programming / Additional Programming | Masashi Okino / 沖野将史, Mayuko Maruyama / 丸山真由子 |
| All Instruments / All Instruments | Tetsuya Komuro / 小室哲哉 |
| Additional Background Vocal / Additional Background Vocal | Junko Hirotani / 広谷順子, Kaori Nishina / 仁科薫理, Kotaro Kubota / 久保田光太郎, Miwako "Peco" Hamada / 濱田"Peco"美和子, Yoko "Princess" Yamazaki, SANAE, Megumi Mashiro / 真城めぐみ, Sanae Watanabe, Yasuhiro Kido / 木戸やすひろ, Andrea L. Hopkins, Daniel Morgan |
| Performed by / Performed by | Tetsuya Komuro / 小室哲哉 |
| Audience / Audience | Hamo Hamo Boys, a |
| Keyboards / Keyboards | HΛL |
| Guitar / Guitar | Naoya Akimoto / 秋元直也, HΛL, Yukio Nagoshi / 名越由貴夫, tasuku, Kotaro Kubota / 久保田光太郎, Masato Ishinari / 石成正人, CMJK, Susumu Nishikawa / 西川進, Takehito Shimizu / 清水武仁, Hirokazu Ogura / 小倉博和, HIKARI |
| Drums / Drums | Tetsuya Hoshiyama / 星山哲也 |
| Bass / Bass | FIRE, Susumu Nishikawa / 西川進 |
| Strings / Strings | Gen Ittetsu Strings / 弦一徹ストリングス |
| Fundamental Track Making / Fundamental Track Making | Tadashi Kikuchi |
| DJ Scratch / DJ Scratch | DJ cool-K |
| Synth / Synth | Toshiharu Umesaki / 梅崎俊春 |
| Piano / Piano | Ken Shima / 島健 |
| Synth Bass / Synth Bass | Ken Shima / 島健 |
| Wind Chime / Wind Chime | Ken Shima / 島健 |
| Rhythm Operation / Rhythm Operation | Genta Egawa / 江川ゲンタ |
| Produced by / Produced by | max matsuura |
| Mixed by / Mixed by | Koji Morimoto / 森元浩二, Yasuo Matsumoto / 松本靖雄, Noriki Inada / 稲田範紀, Yoshiaki Onishi / 大西慶明, Atsushi Hattori / 服部敦 |
| Mastered by / Mastered by | Brian "Big Bass" Gardner at Bernie Grundman Mastering |
| A&R / A&R | Kentaro Furusawa / 古沢賢太郎 (avex trax) |
| A&R Direction / A&R Direction | Hidetomo Yoneda / 米田英智 (avex trax) |
| Artist Management / Artist Management | Kouji Hashimoto, Tadashi Urakami, Masaaki Gyobu (avex entertainment inc.) |
| Artist Brand Management / Artist Brand Management | Hideki Endo / 遠藤日出樹 (avex entertainment inc.) |
| Visual Producer / Visual Producer | Kiyoshi 'Utsumizm' Utsumi (avex group) |
| Media Promotion / Media Promotion | Takeshi Mori, All Media Division Promotion Room Staff (avex entertainment inc.) |
| Media Promotion Supervisor / Media Promotion Supervisor | Akira Akutsu / 阿久津明 (avex entertainment inc.) |
| Sales Promotion / Sales Promotion | Jun Yogi, Taishi Nomura / 野村泰司, All AMI Staff (avex marketing communications inc.) |
| Contents Coordination / Contents Coordination | Shunsuke Abe (avex network inc.) |
| Web Designer / Web Designer | Yukiko Ito (avex network inc.) |
| A&R Desk / A&R Desk | Miki Endo (avex entertainment inc.) |
| A&R Supervisor / A&R Supervisor | Hiroshi Ishimori / 石森洋, Takashi Okuda (avex trax) |
| A&R Executive Supervisor / A&R Executive Supervisor | Jun Harada / 原田淳 (avex trax) |
| Advisory Producers / Advisory Producers | Motohiro Abe / 阿部元博 (avex entertainment inc.), Yoshihisa Nagata / 永田悦久 (avex live creative inc.) |
| General Producers / General Producers | Shinji Hayashi / 林真司, Takashi Araki, Ryuhei Chiba / 千葉龍平 (avex gourp) |
| Art Direction / Art Direction | Shinichi Hara / 原神一 |
| Design / Design | Tomokazu Suzuki (momoya) |
| Creative Coordination / Creative Coordination | Naoki Ueda / 上田直樹 (avex marketing communications inc.) |
| CG Treatment / CG Treatment | Makoto Harikae, Hiroko Tanaka, Hiroki Yura (amana) |
| Quality Control / Quality Control | Shuichi Takahashi, Toshiyuki Suzuki / 鈴木利幸 (avex marketing inc.) |
| Photographer / Photographer | Kazuyoshi Shimomura (AVGVST) |
| Assistant Photographer / Assistant Photographer | Satoko Mitomi |
| Stylist / Stylist | Kei 'Okei' Ito (ab fab) |
| Assistant Stylist / Assistant Stylist | Yuko Honda (ab fab) |
| Costume Creator / Costume Creator | Akira Noda (Workaholik) |
| Nail Artist / Nail Artist | Kanako 'Bancho' Miura / 三浦'Bancho'加納子 (Three Peace) |
| Assistant Nail Artist / Assistant Nail Artist | Shingo 'Minazo' Sano |
| Hair / Hair | Mika Momose (ISM) |
| Make Up / Make Up | Jin 'Gori' Kiyota (Rond.) |
| Assistant Make Up / Assistant Make Up | Shoichi 'Sho' Nakamura |
| Stand In / Stand In | Takami "Poroko' Desaki |
| Support / Support | Keizo Kuroda, Kazuhisa Kurumizawa (Three Peace), Kazuyoshi Takahashi, Satomi Masubuchi, Kayoko Kishishita, Hiroyuki Kuramoto (ZACC), Takehide Fumimori, Miki Kakinuma, Koji Matsumoto, Stanly Izumi Kim, Luis Hernandez, Ward Sexton, Katsutaka 'Numacchi' Numakura (Office Lift), Jun Yoshida (ISM) |
| Special Thanks / Special Thanks | Junichi 'nonchan' Kamitoku, Mikajohn, Tetsuya 'Hige' Hirakawa, Natsuki, Furu, Yssy, Ryuji, Naokun, Yusuke, Kotaro, Turico, Tomomi, Kyoko, Ai, Ryo, Keiko, Jin, Kumako, Keiichi, my family, my honey, all of you who participated this album, you ♥ |