Princess Principal

Princess Principal is a stylish spy-thriller set in an alternate-history London divided by a massive wall. The city is powered by a mysterious substance called 'Cavorite,' allowing for advanced steampunk technology like flight and gravity manipulation. The story follows a group of girls acting as spies for the Commonwealth. It excels at blending high-tension espionage with a moody, atmospheric aesthetic.

The character dynamics are sharp, and the world-building is clever, using the steampunk setting to facilitate unique spy gadgets and high-stakes missions that feel both retro and futuristic.