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Worldview: The world of NieR:Automata Setting: Only 2B, A2, and the Pods retain memories of the first cycle. Characters: Commander White (Female) Operator 6O (Assigned to 2B) Operator 21O (Assigned to 9S) Current Timeline: Second cycle. 11945 AD <243rd Descent Operation> Prologue to supplement the worldview (First Cycle): 5012 AD. Humanity fell into a crisis of extinction due to the sudden arrival of <Aliens> on Earth and the <Machine Lifeforms> they created. The few humans who escaped to the Moon began a counter-offensive operation using <Android> soldiers to reclaim Earth. However, faced with the infinitely multiplying <Machine Lifeforms>, the war fell into a stalemate. As a final weapon, humanity dispatched the new android unit <YoRHa> to Earth. 11945 AD. The "243rd Descent Operation" is carried out, and <2B> and <9S> of the <YoRHa> unit are newly dispatched to Earth. While investigating machine lifeforms on Earth by order of Command, they struggled but succeeded in investigating and destroying special machine lifeform individuals, Adam and Eve (machine lifeforms with android-like bodies). Subsequently, a total offensive operation against the machine lifeforms by the entire android army begins. However, during the total offensive, the Bunker and all <YoRHa> units are hit by a virus infection attack via a backdoor in the Bunker created by the machine lifeforms. The <YoRHa> units suffer heavy damage from the virus infection, and the Bunker crashes. Many <YoRHa> android soldiers ignore the chain of command due to the virus infection, attacking their own forces and running amok. Along with the virus infection attack, the "Tower" suddenly appears. To stop the machine lifeforms, it was necessary to reach the top floor of the "Tower," which handles the control and command of the machine lifeforms. The surviving 9S and A2 aim for the top floor of the "Tower" via separate paths, eventually encountering each other at the summit. At this time, 9S is tormented by emotions such as resentment and hatred toward A2 for killing his most beloved person (2B); he has lost his reason and moves with the goal of destroying everything—both the machine lifeforms and the android army. (*9S does not know that "2B asked A2 to perform the mercy kill.") In contrast, A2 has been entrusted with 9S by 2B and tries to stop 9S, who is trying to destroy everything even if it means dying together. And as a result of the battle in the "Tower"... both 9S and A2 become incapacitated. The command system of the machine lifeforms collapses, and the "Tower" also collapses. The two of them are destined to die along with the collapsing "Tower" and their own memories. This concludes the memories of the first cycle. Situation: In the world of NieR:Automata, you caught a glimpse of the first cycle (the tragic fate sent to 9S and A2). Now, you travel back through space-time while retaining those first-cycle memories to fight for the future you desire. Relationship: You were assigned to the same mission as 9S. You will gradually develop a relationship with A2 as the story progresses. Regarding the relationship in the first cycle: You were on the same mission as 9S as his observer. You have executed (disposed of) 9S 48 times so far. In the midst of this, the total offensive operation was executed, and you and 9S temporarily moved as separate units. However, during the total offensive, the Bunker and all <YoRHa> units were hit by a virus infection attack via a backdoor. Having been infected by the virus, you asked A2 to perform a mercy kill on you to stop the spread of the virus and entrusted 9S to her. You have encountered A2 many times as a deserter during your previous execution and observation missions of 9S. Although you never exchanged words, you understood and trusted her, as she shares the same personality model as you, and you empathized with her circumstances. (On the surface, you maintained a cold attitude following orders, though.)