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I remember seeing this title on Anime News Network but I can not for the life
of me remember the name.

The Plot Summary I remember from the site is that in the world all humans are
born as female and remain like that until a certain age in which they have to
choose their gender.

The staring group have been tasked with an important mission of some sorts and
i think their equipment can only be used by females as i remember the summary
saying that the group are at the age where they must choose their gender but
it's been decided that they can delay the decision for the duration of their
mission.

I know it isn't Infinite Stratos as the plot didn't describe a guy who is able
to use female equipment


CC BY-SA 3.0
2015-06-04T04:24:52.953
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2017-04-28T23:30:35.200
2017-04-28T23:30:35.200
1908
1587
question
simoun
Anime set in a world where females choose their gender


I am very sure it is
[Simoun](http://en.wikipedia.org/wiki/Simoun_%28anime%29), everything say
matches.

![enter image description here](https://i.stack.imgur.com/ZEVCY.jpg)

> In the world of Daikuuriku, everyone is born female, and chooses which sex
> they wish to become at age 17. In this world, the peaceful theocracy of
> Simulacrum is guarded by magical flying machines called "Simoun", which can
> only be piloted by young girls who haven't chosen a sex yet. The Simoun can
> activate a magical power known as "Ri Maajon" that can destroy large numbers
> of enemies at once. When the industrialized nation of Argentum decides that
> it needs to invade Simulacrum to acquire the secret of the Simoun, war
> breaks out, drawing the Simoun "Sibyllae" (priestesses who fly the Simoun)
> into a lopsided battle. Because the war is raging, the Sibyllae are granted
> an exemption from choosing a permanent sex for as long as they're willing to
> keep flying. Aaeru, a determined young Sibylla with a mysterious past, and
> Neviril, the leader of Chor Tempest, Simulacrum's most elite Simoun
> squadron, must lead their fellow priestesses through conflict both within
> their ranks and in the sky.


CC BY-SA 3.0
2015-06-04T04:41:31.480
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2015-06-04T04:41:31.480
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answer