Princess Principal is a Japanese anime that was directed by Masaki Tachibana. Following the success, the series is entitled to a spin-off called Princess Principal Game of Mission. The adventure takes place in a fictional England named Albion.
The kingdom's rulers have used a very strange substance called Cavorite to build a large-scale military fleet while the people feel they are being sidelined. Thus a wall was built to separate the royalty from the people who wish to overthrow it.
It was a few years after the heroine Angel could begin her adventure. The latter looks like Princess Charlotte and a plan was erected so that Angel takes the place of Charlotte ... However, everything will not happen as planned.
Here is the complete range of merchandising products, figures and goodies for Princess Principal.