Ballerina Warfare

All Athena has ever wanted to do is become a professional ballet dancer, but when a war breaks out she is conscripted into the army.

She can't be like any other normal 16 year old girl and stay behind to make weapons. Oh no. She had to have been genetically enhanced, something she had no idea about until this war. You see Athena is one of very few the government exchanged as babies in case war ever broke out.

Well war has broken out, so what happens to her, and her life now?