Princess Principal [Anime Review – Action / Spy / Steampunk] March 1, 2019 by mattdoylemedia, posted in Anime Steampunk spy anime Princess Principal is out on March 4th. Read my review to find out why this is a must-buy series. Share this:TwitterFacebookRedditTumblrPinterestLinkedInEmailSkypeTelegramPrintPocketWhatsAppLike this:Like Loading...