Anime adaptation of the manga of the same name. The series revolves around the greatest spy for the nation of Westalis, as he has to infiltrate an elite private school. The series was originally written by Tatsuya Endo.
It was produced by Wit Studio and CloverWorks. Direction was helmed by Kazuhiro Furuhashi.
The anime features the voice of Saori Hayami as Thorn Princess.