A Magpie Startled by Plum Blossoms

One day, she takes her father's place in the army. From then on, she no longer hears her parents call her daughter. She is Luan Jingque. At the beginning of her official career, her heart is with the common people. But: A mediocre ruler brings no order, only tyranny and lawlessness; the lords contend with one another, each taking what they need. Her path in officialdom is one of hardship and upheaval. ① One male lead. ② The heroine is a military strategist and enters officialdom midway through the story. ③ This story is set in a fictional world.