Opening Theme: "Tokusou Robo Janperson"
  Vocals: Susumu Oya
  Chorus: Tree of the Forest Children's Choir
  Composer: Keisuke Hama
  Arranger: Kei Wakakusa
  Lyricist: Keisuke Yamakawa

Ending Theme: "Asayake no Lullaby"
  Vocals: Susumu Oya
  Composer: Keisuke Hama
  Arranger: Kei Wakakusa
  Lyricist: Keisuke Yamakawa

Insert Songs

"Seigi no Tame ni" (Episode 35, 41, 42, 44, 49)
  Vocals: Susumu Oya
  Composer: Keisuke Hama
  Arranger: Kei Wakakusa
  Lyricist: Keisuke Yamakawa

"Hello JP!"
  Vocals: Susumu Oya
  Composer: Keisuke Hama
  Arranger: Kei Wakakusa
  Lyricist: Keisuke Yamakawa

"Ore wa Gunman ~Gungibson no Theme~" (Episode 35)
  Vocals: Hironobu Kageyama
  Composer/Arranger: Chumei Watanabe
  Lyricist: Keisuke Yamakawa

"Kimi wa Nemure · Soshite Utae" (Episode 36, 49)
  Vocals: Hironobu Kageyama
  Composer: Keisuke Hama
  Arranger: Kei Wakakusa
  Lyricist: Keisuke Yamakawa

"Omoe ga Iru Kara ~JP & Gungibson Yuujou no Theme~" (Episode 36, 38)
  Vocals: Hironobu Kageyama
  Composer/Arranger: Chumei Watanabe
  Lyricist: Keisuke Yamakawa

"Purple Wolf Densetsu" (Episode 39, 44, 50)
  Vocals: Hironobu Kageyama
  Composer/Arranger: Kei Wakakusa
  Lyricist: Keisuke Yamakawa