Soukou no Strain

In the distant future, mankind is divided into two factions: Union and Deague. They have waged a war against each other for so long that no one remembers when it first began. The backbone of the Union military is the manned weapons system Strain, while the Deague uses an unmanned version, the Tumoru.

Sara Werec, the daughter of a respectable family, is a 16-yearold girl who attends Grapera Space Armed Soldier Academy located in the Cranial Solar System, where she is training to become a full-fledged Reasoner (a Strain pilot).

Her brother, Ralph Werec, had been sent to the frontline 130 light-years away to accomplish a special mission when she was 11 years old, a distance that requires 400 years of objecti...