Music: Akifumi Tada, Yasunori Nishiki, Shingo Nishimura, Kenta Higashiohji, Tsubasa Ito, Akihiro Honda, Yuki Shirai, Ryuta Kakiuchi

Music Production: IMAGINE
Sound Director: Takaomi Kanasaki
Sound Effects: Yasumasa Koyama

"Lost Princess" - Opening Theme
Vocals: Pecorine (CV: M·A·O), Kokkoro (CV: Miku Ito), Karyl (CV: Rika Tachibana)
Composer: Kohei Tanaka
Arranger: Takayuki Negishi
Lyrics: Shihori

"Soredemo Tomo ni Aruite Iku" - Ending Theme
Vocals: Pecorine (CV: M·A·O), Kokkoro (CV: Miku Ito), Karyl (CV: Rika Tachibana)
Lyrics / Composition / Arrangement: Ryosei Sato

"Connecting Happy!!" - Episode 13 Ending Theme
Vocals: Pecorine (CV: M·A·O), Kokkoro (CV: Miku Ito), Karyl (CV: Rika Tachibana)
Composer: Sonosuke Takao (F.M.F)
Arranger: Yuki Nara (F.M.F)
Lyrics: Aki Hata