It seems that living in another world is a little too "leisurely", or perhaps it's an accident. Tanya, a famous major in the empire, came to a different world.
"Damn existence x, sooner or later, sooner or later I will discover your true identity and cut you into pieces!"
Tanya made a firm vow.
However, as a young girl, can she survive in this dangerous universe full of demons and dangers?
... Don't worry at all, that guy is a monster in the skin of a young girl!