Staff Original Story: Jun Maeda Producer: Touya Okano Director: Kai Illustrators: Na-Ga, Tsubasu Izumi, Yuunon Nagayama, Humuyun (Side characters) SD Illustrator: Engiyoshi Scenario Writers: Yuu Niijima, Kai, Hasama Music: Shinji Orito, Jun Maeda, Donmaru, Tomohiro Takeshita, Ryo Mizutsuki Voice Cast Naruse Shiroha / Konomi Kohara Sorakado Ao / Takamori Natsumi Kushima Kamome / Tomomi Mineuchi Tsumugi Wenders / Emiri Iwai Umi Katou / Aimi Tanaka Miki Nomura / Saku Ichimiya Mizuori Shizuku / Sahomi Koyama Mizutani Ryouichi / Kentarou Kumagai Kanou Tenzen / Youhei Hamada Misaki Kyouko / Megumi Takamoto Naruse Kobato / Minoru Shiraishi Nanami / Kana Hanazawa Main Theme ‘Alka Tale’ Vocals: Konomi Suzuki Lyrics: Kai Composition: Shinji Orito Arrangement: Masato Nakayama Ending Theme ‘Hane no Yurikago’ (‘Cradle of Wings’) Vocals: Konomi Suzuki Lyrics: Yuu Niijima Composition: Donmaru