The Nightmare & The Unexpected

In alter world of the Strike witches:Wings of Liberation story.
Flight Lieutenant Hanna Justina Marseille and her friend in the 31 squadron are getting ready for the upcoming final battle to capture the suez canal from the neuroi hive.
However Hanna is plagued by a recurring nightmare of a unknown plane.But everything will change when she will face it this time for real.
( All of the characters are 18 or above)