Reporting for Duty, Duchess!

As a successful captain in the military, Yun-A is an icon of success and power. But after an accident on the battlefield, she finds herself trapped in a romantic fantasy novel. Stuck in a supporting role as the best friend of the main protagonist, Yun-A is determined to overturn the plotline. Will she be able to change Rosalie’s fate and find happiness in the new world? Will she ever be able to return home?

(Source: WEBTOONS, edited)