| # | Title | Length |
|---|
| 1 | JESSICA- recording engineer:
- Tatsuya Sakamoto and Toyoaki Harada
- assistant programming:
- Masahide Takuma
- programming:
- 薫 and Yoshihisa Shirakawa
- assistant engineer:
- Michinori Sato, Mineo Watanabe, Nobuyuki Morita, Takahiro Tezuka, Toshiro Honkawa, Hiroki Yamada and Yoshinori Yamamiya
- co-producer:
- Tatsuya Sakamoto
- producer:
- Dir en grey and 山崎透 (lead vocals)
- mixer:
- Tatsuya Sakamoto
- bass guitar:
- Toshiya
- drums (drum set):
- Shinya
- guitar:
- Die and 薫
- vocals:
- 京
- drums (drum set) technician and guitar technician:
- Hiroshi Kuroo, Junya Sato, Katsunori Haruna, Kazuya Takeda, Koji Imamura, Hidetoshi Takahashi, Yasuki Abe and Joe Yokosawa
- phonographic copyright (℗) by:
- FIREWALL DIV. (in 2001)
- music videos:
- JESSICA by Dir en grey
- recording of:
- JESSICA
- lyricist:
- 京
- composer:
- 薫
- publisher:
- テレビ東京ミュージック
| 4:14 |
| 2 | 24個シリンダー- recording engineer:
- Tatsuya Sakamoto and Toyoaki Harada
- assistant programming:
- Masahide Takuma
- programming:
- 薫 and Yoshihisa Shirakawa
- assistant engineer:
- Michinori Sato, Mineo Watanabe, Nobuyuki Morita, Takahiro Tezuka, Toshiro Honkawa, Hiroki Yamada and Yoshinori Yamamiya
- co-producer:
- Tatsuya Sakamoto
- producer:
- Dir en grey and 山崎透 (lead vocals)
- mixer:
- Tatsuya Sakamoto
- bass guitar:
- Toshiya
- drums (drum set):
- Shinya
- guitar:
- Die and 薫
- vocals:
- 京
- drums (drum set) technician and guitar technician:
- Hiroshi Kuroo, Junya Sato, Katsunori Haruna, Kazuya Takeda, Koji Imamura, Hidetoshi Takahashi, Yasuki Abe and Joe Yokosawa
- phonographic copyright (℗) by:
- FIREWALL DIV. (in 2001)
- recording of:
- 24個シリンダー
- lyricist:
- 京
- composer:
- Die
- publisher:
- テレビ東京ミュージック
| 6:12 |
| 3 | 24個シリンダー GRENADE LUNCH MIX ～16キップリミックス | 7:38 |
| 4 | JESSICA （Demo Version） | 4:07 |
