Music: Tomohito Nishiura
Audio Direction: Takeshi Inoue
Sound Effects: Yumiko Hashizume, Dai Yamanaka, Kenichiro Saigo

Main Theme Music "KATRIELLE'S THEME"
Composition: Tomohito Nishiura
Arrangement: Norihito Sumitomo
Performed by The Layton Grand Caravan Orchestra

Sound Assistance: T's MUSIC Co., Ltd.
Anime Cutscenes' Acoustics: Tomomitsu Matsushita, Yuhki Mori, Kotaro Baba

Orchestral Recording
Recording Direction: Ryota Mochizuki
Engineering: Motohiko Maeda
Coordination: Hiroyuki Hamada
Violin: Tomomi Tokunaga
Strings: Tomomi Tokunaga Strings
Piano: Yukari Arai
Flute: Yumika Miyazaki
Horn: Otohiko Fujita, Hirofumi Wada
Recording Studio: LANDMARK STUDIO
Booking Management: Tsutomu Satomi
BGM Mixing: Masahito Tobisawa

Opening Theme Music "Girls"
original by Kana Nishino
Written by Giorgio Cancemi
Violin performed by Asuna

Opening Theme Executive Production: Sony Music Labels Inc. Daisuke Katsurada
Opening Theme Coordination: TIGHTPRO Inc. Takashi Takagi
Opening Theme Production: SME Records