Saya Kisaragi sets out to find the culprit behind the gruesome events that took place in her village and bring him to justice, after escaping the horrific events. She encounters SIRRUT, a group of skilled hackers who request her help to defeat their mutual adversary, someone who Saya knows all too well. But the journey to avenge her ordeal is filled with heartbreak as Saya is once again let down by those she trusts. With her limits pushed, the valiant warrior must harness her unparalleled strength and knowledge to vanquish her ultimate goal and ultimately exact her revenge.