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Levi has never been one to show emotions, not even to his closest friends and comrades. But when it comes to his baby sister (y/n), things are different. He'll do anything in his power to keep her safe and in tact. On the sudden day when the Survey Corps appeared in the underground district, the two are separated. Levi was to join the Survey Corps, and (y/n) the trainee corps at age nine.

Before they departed, Levi said his last few words.
"Repress your emotions. Burn everything you love then burn the ashes."

(Y/n) lives by these words, but what happens when fellow soldiers from the 104 changes her vision?