Princess Principal is a tV series anime that premiered in summer 2017, produced by Studio 3Hz.

About the production: the story comes from an original script, there are 12 episodes of about 24 minutes and its current status is "finished".

Its main genres are action, adventure and sci-fi, with themes such as Espionage, Female Protagonist, Steampunk and Primarily Female Cast.

On AniList, Princess Principal has an average score of 75%, a very good score, and appears on 71,475 users' lists.

The franchise continues in or follows from: Princess Principal: Crown Handler - Chapter 1.

The "spy action" series follows five girls in 19th century London, a city within the Albion Kingdom divided into east and west by a large wall. The girls serve as undercover spies enrolled as students at the prestigious Queen's Mayfair school. The girls make use of their individual abilities to remain active in the underground world of disguise, espionage, infiltration, and car chases. (Source: Official Website)

Official synopsis from AniList.