Opening Theme 1 (#01-14)
"QUESTION"
Vocals: 3-nen E-gumi Utatan
Composer: Akimitsu Homma
Arranger: Akimitsu Homma
Lyricist: Shoko Fujibayashi
avex pictures
Opening Theme 2 (#15-23,25)
"Bye Bye YESTERDAY"
Vocals: 3-nen E-gumi Utatan
Composer: Koji Mihara
Arranger: Frederic, Akimitsu Homma
Lyricist: Shoko Fujibayashi
avex pictures
Ending Theme 1 (#01-14)
"Kaketa Tsuki"
Vocals: Shion Miyawaki
Composer: ArmySlick / Emyli
Arranger: ArmySlick
Lyricist: Shion Miyawaki
avex trax
Ending Theme 2 (#15-25)
"Mata Kimi ni Aeru Hi"
Vocals: Shion Miyawaki
Composer: ArmySlick, Lauren Kaori
Arranger: ArmySlick
Lyricist: Shion Miyawaki
avex trax
Insert Song
"Gekkou" (#16)
Vocals: Shion Miyawaki
Composer: Akimitsu Homma
Arranger: Akimitsu Homma
Lyricist: Shoko Fujibayashi
"Tabidachi no Uta" (#24)
Vocals: 3-nen E-gumi
Composer: Akimitsu Homma
Arranger: Akimitsu Homma
Lyricist: Shoko Fujibayashi
"Sotsugyou Shousho" (#25)
Vocals: Shion Miyawaki
Composer: Akimitsu Homma
Arranger: Akimitsu Homma
Lyricist: Shoko Fujibayashi
Theme Song Production: 株式会社エッグ (#01-14), エッグ (#15-25)
Theme Song Assistance: credited after #15
3-nen E-gumi:
* Karma Akabane (CV: Nobuhiko Okamoto)
* Yuma Isogai (CV: Ryota Ohsaka)
Taiga Okajima (CV: Ryo Naito)
Hinata Okano (CV: Minami Tanaka)
Manami Okuda (CV: Sayuri Yahagi)
Meg Kataoka (CV: Chie Matsuura)
* Kaede Kayano (CV: Aya Suzaki)
Yukiko Kanzaki (CV: Satomi Sato)
Masayoshi Kimura (CV: Shunsuke Kawabe)
Hinano Kurahashi (CV: Hisako Kanemoto)
* Nagisa Shiota (CV: Mai Fuchigami)
Sosuke Sugaya (CV: Eiji Miyashita)
Tomohito Sugino (CV: Yoshitaka Yamaya)
Kotaro Takebayashi (CV: Takahiro Mizushima)
Ryunosuke Chiba (CV: Junji Majima)
Ryoma Terasaka (CV: Subaru Kimuta)
Rio Nakamura (CV: Manami Numakura)
Kirara Hazama (CV: Fuko Saito)
Rinka Hayami (CV: Shiho Kawaragi)
Sumire Hara (CV: Miho Hino)
Yuzuki Fuwa (CV: Kana Ueda)
* Hiroto Maehara (CV: Shintaro Asanuma)
Koki Mimura (CV: Shinya Takahashi)
Takuya Muramatsu (CV: Kouki Harasawa)
Toka Yada (CV: Ayaka Suwa)
Taisei Yoshida (CV: Yoshiyuki Shimoduma)
Ritsu (Autonomous Intelligence Fixed Artillery) (CV: Saki Fujita)
Itona Horibe (CV: Megumi Ogata)
* 3-nen E-gumi Utatan
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