My Hidden Groom Please Don't Make A Sound

Two childhood friends in a military school get separated due to an incident, years later A mission was given to one of the best soldiers in the army, which was said to be the final mission she has to complete before she gets promoted to Major General just at the age of 21, but for the first time in her whole life, things get complicated with her not knowing what to do, when the mission turns out to be way more complicated than she thought it seemed.
Madame, it seems the mastermind is playing some sort of game with us, Luca said slightly frightened.
Well, you know what I think, Kayla said with a calm expression as her gray eyes glimmered quietly in the dark.
N-No, what do you think, Luca said shakily.
You've never been right in all your scared pathetic life, Now...
Run!
Ahh!