Princess Principal (Japanese: プリンセス・プリンシパル, Hepburn: Purinsesu Purinshiparu) is a Japanese anime television series produced by Studio 3Hz and Actas. The series was directed by Masaki Tachibana and written by Ichirō Ōkouchi, with original character designs by Kouhaku Kuroboshi and Yukie Akiya, and music by Yuki Kajiura. The series aired from July to September 2017. The first two installments of a six-part sequel film series Princess Principal: Crown Handler have also been released. A mobile game, Princess Principal: Game of Mission, was launched in August 2017, and was available until December 28, 2018.