Conquest Begins with Raising Your Combat Power

I transmigrated just before the outbreak of World War I, and the System I'm forced to link with wants me to reach the pinnacle of life by winning people over?

Fine! First, I'll work hard to improve my fitness and combat abilities!

"No, wait, that's not what I meant by winning people over!"

"How is using physical force not a way of winning people over?"

Looking back on my eventful years after retiring as a marshal, I can't help but sigh. "It really is true that good physical fitness is the foundation of everything!"

1. Extremely Mary Sue! Some parts aren't historically accurate! This story was born from the resentment of someone who wanted to see a female protagonist dominate everything, but couldn't find a second-person story like that, so she had to write one herself. (But given the historical realities of WWI and WWII, there will also be plenty of events that aren't lighthearted or fun, or, to put it another way, aren't quite so satisfying.)

2. The heroine is kind and neutral, and grows over time. In her previous life, she was a model young person who grew up under the red flag, in the spring breeze. In this life, she becomes a Chinese-German mixed-race army marshal, forged by the fires of war. (The name "Clara" means "a shining ending.")

3. Most of the story takes place in Europe, but it will include some Eastern mystical powers (because the author just wants to provide support).

4. The story of an ordinary little butterfly slowly flapping its wings from 1914 onward, until it blows the entire original timeline off course.

5. The author writes for fun, has terrible prose, and is a Hearts of Iron IV player who only knows about it from the internet. They love war strategy and shooter games, so there will be lots of strange jokes.

6. The author is busy in real life and still researching, so updates will be irregular. After thinking it over, the author decided an outline was necessary, so now they're working on one.

Theme: Beyond the snow lies spring