The story takes place during the Westernization Movement in an alternate world where humans and spirits coexist. To solve the problems that arise between the two, human lieutenants are partnered with half-spirit girls to form the Ministry of Spirit Affairs.

• Mai Nakahara
• Takahiro Sakurai
• Kana Hanazawa
• Satoshi Hino
• Aki Toyosaki
• Yui Horie
• Yuki Kaji
• Akihiko Ishizumi