The Comeback path of Princess from Mars

In a world where the strong eats the weak, if you have no strength, you can only be slaughtered by others. The young girl Olga Perez has been oppressed by emerging nobles since her childhood because of the declining of her family. She forced herself to grow up. After becoming a military officer with both civil and military skills, she relied on her own means and strength to overthrow the nobles who oppressed her. However, once the interest chain of the hostile nobles are broken, more powerful opponents will follow. She has to keep climbing up