Sheena is an orphan who is trained for war, even though she doesn't want to be. And one day, she meets Mimi.

Sheena, Mimi, and their classmates get sent into the forest to fight 100 magical enemies in a combat exercise.

After Sheena realizes she wants to make friends with Mimi, Mimi decides to share an important secret with her.

Sheena tries to learn more about Mimi's condition but is confronted by Ms. Fran and sworn to absolute secrecy.

Sheena struggles to understand Mimi's mysterious curse and her seemingly nonchalant attitude toward the war.

The war escalates. When Mimi isn't enough, the school makes a drastic decision.

Despite struggling somewhat during her combat test against Mimi, Seiran volunteers to go into actual battle.

Ari struggles to process the material and emotional consequences of Seiran's brief tenure on the battlefield.

Sheena visits Ms. Fran for advice on how to use her magical abilities to better help the school and her peers.

As Sheena keeps working to improve her magic, she and Mimi get acquainted with a somewhat reclusive classmate.

Mimi keeps getting called to battle, but Sheena is relieved that she keeps coming home practically untouched.

Sheena and Mimi search for a way to come to an understanding and reaffirm their friendship after an argument.

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