The Villainess Will Crush Her Destruction End Through Modern Firepower

Her memories of being a military geek in her previous life awaken and she remembers shes in the world of an otome game she played in her previous life
And whats more shes what people refer to as a villainess
In the game the villainess is destined to face a destruction ending but this girl is different
If you dont want to be destroyed yourself you have to destroy them first
In this way our protagonist who is obsessed with recreating the power of modern weaponry using magical techniques by taking advantage of the magical talent bestowed upon the villainess realizes it at last
The heroine The prince Shaming her family Being exiled from the country
If only a bad end is destined for her then she has to crush it through sheer firepower