The Japanese cast includes Nobunaga Shimazaki as Sōji Mitsuka, Maaya Uchida as Thouars, Chinatsu Akasaki as Erina Shindō, M.A.
The series was directed by Hiroyuki Kanbe at Production IMS based on scripts by Naruhisa Arakawa and character designs by Kazuaki Morita.
The opening song is being done by Maaya Uchida while the ending song is being done by the three main voice actresses.
Crunchyroll has another series they can expand upon their limited overseas distribution with their partnership with Funimation as Gonna be the Twin-Tail!! has now been added to the service.