Strain: Strategic Armored Infantry

Sara Werec's life was turned upside down when her brother Ralph was sent to fight in an interstellar war 130 light years away. Five years later, Sara is training to become a Reasoner at Grapera Space Armed Soldier Academy. She's determined to reunite with Ralph, and her chance comes when the academy is attacked by enemy forces and she encounters a Strain piloted by none other than Ralph himself. After the attack, Sara is forced to reevaluate her goals and continues her training under a new name.