a&r Terunari Yoshie
coordinator [creative] Yuko Sakayori
design 安斎秀
executive-producer Yoshiyuki Ito
illustration 西屋太志
illustration [coloration] Naomi Ishida
illustration [shooting] Kohei Funamoto
mixed by Mary Shinohara
tracks 1 mixed by Yoshinobu Ohmura
performer 伊原摩耶花
performer 千反田える
performer, voice actor [伊原摩耶花] 茅野愛衣
performer, voice actor [千反田える] Satomi Sato
producer Shigeru Saito
promotion Jun Ota
promotion Megumi Suzuki
promotion Takayuki Matsumoto
promotion [sales] Kei Sahashi
promotion [sales] 臼倉竜太郎
Phonographic Copyright (p) Lantis Co., Ltd.
Marketed By Bandai Visual Co., Ltd.
Published By Lantis Co., Ltd.
First ED from the show Hyouka.

Track list in Romaji:
1. Madoromi no Yakusoku
2. Romance wa Mada Hayai
3. Madoromi no Yakusoku (Inst.)
4. Romance wa Mada Hayai (Inst.)

Artist names: Eru Chitanda (voiced by Satomi Satou), Mayaka Ibara (voiced by Ai Kayano)

℗2012 Lantis Co.,Ltd.
©米澤穂信・角川書店／神山高校古典部OB会
Printed in Japan.
Barcode: 4 540774 409365 (Barcode found on obi)
Rights Society: JASRAC