Excuse me, which game or animation is the lady knight of the round table in this picture?

This picture shows the game CG, not the animation.

The characters in the picture are from leagues: ブリタニビ (the competition is divided into 9 leagues).

Introduction: The era of many great powers, heroic hegemony and separatist regimes. Establish friendly relations with other countries,

A powerful country with the goal of peaceful reunification

In order to quell frequent disputes, the EU has adopted a cooperative system.

A maritime country that plunders all parts of the world for a living.

This eastern island country is still mired in civil strife. At this moment, the hero who lost his memory met the hero of the evil horse platform. "Have to sell. With this hesitation, the protagonist, with the help of ヒミコ and others, began to move towards the world of suppressing ジパング civil strife and fighting against great powers.