I Want to Love You Till Your Dying Day

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.

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.

Determined to stay by Mimi's side, Sheena began learning healing magic and started attending classes with Professor Fran. Mimi, bored with the reduced time she could spend with Sheena, unexpectedly encountered her classmate, Haru. After talking with the frail Haru, Mimi was left with mixed feelings when Sheena arrived a little later and tried to take Haru's temperature. The next day, Sheena and Mimi went to the underground library to return a book on Haru's behalf, but they tripped and fell—

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