The Aces Division was a brand-new sect created within the Survey Corps to act as their vanguard, leading expeditions and territory recovery in the hopes of decreasing Scout fatality rates. All of the most elite Scout members were transferred into the Aces Division, including Petra and Levi Squad. Being the most capable Scout, Levi Ackerman, Petra's captain, took Commander of this new division.

That being said, it came as a surprise to Petra when Levi asked her to be his second in command. Now, they were tasked with building up this division from the ground up. Together.

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One morning, Petra was running all over the Aces Division headquarters. She had committed herself to getting ahead on planning and working out the division's logistics. In her rush, though, she ran headfirst into someone, proceeding to drop the crate of paperwork she was carrying and sending it flying in many directions.

"Oof! Ah- I'm so sorry!"