Gunjin Shoujo, Seiritsu Mahou Gakuen ni Senyuu Suru Koto ni Narimashita.: Otome Game? Sonna no Kiitemasen kedo?

Using the memories of her previous life, Raze has made a name for herself as an elite soldier of the Cyan Empire at the age of 15. Her next mission, as ordered by her boss, the devilish Prime Minister, is to go undercover at the Central Imperial Academy of Magic as a student, and watch over sons and daughters of the empire's rich and powerful! Raze is bewildered by the school life, which is the complete opposite from her life in the army, but she gets used to it. Suddenly, her friend, Kana, tells her that they are in an otome game and that Kana is the villainess! What's more, if they don't avoid the bad-end scenario, Raze and her friends will be ruined! From that day on, Raze must fight out front and behind the scenes? But one after another, unexpected events that do not exist in the game occur...? (Source: Ichijinsha Novels, translated)