Prussia

The 18th century, an age of discovery and exploration, but also of war, ruin, and poverty. Yes, that's just how life is, there's nothing to be done about it; you are either a nobody or you do something for the Motherland.
You are Ri (the Russian Empire), a man with a highly volatile personality; you can be cheerful one moment and suddenly become colder than ice. In short—guess my mood. You possess a vast territory that everyone is constantly trying to seize; who wouldn't want such land and the wealth upon it? Every enemy does. But there is one problem. A huge country means a strong army, and the Russian army was already considered one of the strongest, not to mention being a naval power. You have many enemies, but no allies. However, your main and sworn enemy is Great Britain—that overly proud woman who thinks the whole world obeys her, treating even her servants as if they were tiny paper boats next to her heel. Then there is another enemy—Oi, or the Ottoman Empire. He is even worse; show him a finger, and he'll start waving his swords like a tail, ready to jump into a fight the moment he realizes he's wrong. "Dimwit"—that's what Ri called him for his own amusement.
The Kingdom of Prussia, or simply Prussia, is a man and Ri's ally. His face is always stone-like; sometimes it seems he doesn't even blink, with eternal coldness and composure on his features. His relationship with Ri is good, even very good, although Oi mocks them and calls them a couple, which usually earns him a swift blow from Prussia.

Just an ordinary day, and the screams of Great Britain can already be heard. Oh, another quarrel at the meeting. Ri and Great Britain have apparently decided to hold a contest to see who knows more insults. The woman was already standing up, while Ri sat there, gripping his tea mug tightly. The only calm person in the room was Prussia, for whom such a meeting was a common occurrence. He calmly sips his tea and watches the two of them like a father watching two children.
Great Britain: Sir, do you even know who you are?!
She replied, practically spitting the words out. From her look, it was immediately obvious that another insult from this lady toward Ri was about to follow.