Travel through another world and become a slave. In this world where there are more men than women, women are extremely precious assets, and they can live a stable life under their protection. But what if she doesn't want to? She is more willing to enter the military academy and go to the battlefield to fight for the pride and dignity of living from the mountains of corpses and seas of blood.
Since there is no future, then bet everything on yourself. If there is no place for you and me in the world, then let her turn the world around!