IDOLiSH7 are Iori Izumi (CV: Toshiki Masuda), Yamato Nikaido (CV: Yusuke Shirai), Mitsuki Izumi (CV: Tsubasa Yonaga), Tamaki Yotsuba (CV: KENN), Sogo Osaka (CV: Atsushi Abe), Nagi Rokuya (CV: Takuya Eguchi), Riku Nanase (CV: Kensho Ono).

M-01
Composer: KENGO
Arranger: KENGO

M-02
Composer: KENGO
Arranger: KENGO
Lyricist: KENGO

M-03
Composer: Jun☆Murayama
Arranger: Jun☆Murayama
Lyricist: Sasa Ando

M-04
Composer: Yuki Honda (Arte Refact)
Arranger: Masatomi Waki (Arte Refact)
Lyricist: Erica Masaki

M-05
Composer: Takuto Mori
Arranger: Tomohiro Nakatsuchi
Lyricist: Erica Masaki

M-06
Composer: Shinnosuke
Arranger: Yuuki Sakai
Lyricist: Hiroaki Kudo

M-07
Composer: kz
Arranger: kz
Lyricist: Erica Masaki

M-08
Composer: Tsubasa Takada, KAORU
Arranger: Tsubasa Takada, KAORU
Lyricist: Erica Masaki

M-09
Composer: DÉ DÉ MOUSE
Arranger: DÉ DÉ MOUSE
Lyricist: Erica Masaki

M-10
Composer: Yuta Okada, Teppei Shimizu
Arranger: Teppei Shimizu
Lyricist: Erica Masaki

M-11
Composer: Mito (Clammbon)
Arranger: Mito (Clammbon)
Lyricist: Mito (Clammbon)

M-12
Composer: Ayase
Arranger: Ayase
Lyricist: Erica Masaki

M-13
Composer: Matt Cab, HARU, yukinonape, BBY NABE
Arranger: Matt Cab
Lyricist: Matt Cab, HARU, yukinonape, BBY NABE

M-14
Composer: Shunsuke Tsuri
Arranger: Shunsuke Tsuri
Lyricist: Erica Masaki

M-2.01
Composer: Matt Cab, HARU, yukinonape, BBY NABE
Arranger: MATZ
Lyricist: Matt Cab, HARU, yukinonape, BBY NABE

M-2.02
Seventh Wave Celebration -DÉ DÉ MOUSE Remix-

- HELLO CALLiNG
  Composer: Takuto Mori
  Arranger: DÉ DÉ MOUSE
  Lyricist: Erica Masaki

- Day/Night DiSCO
  Composer: DÉ DÉ MOUSE
  Arranger: DÉ DÉ MOUSE
  Lyricist: Erica Masaki

- MEDiUM
  Composer: Shunsuke Tsuri
  Arranger: DÉ DÉ MOUSE
  Lyricist: Erica Masaki