In the world of Daikuuriku, 17-year-olds choose their gender, and girls who haven't made a choice yet pilot magical flying machines called Simoun, harnessing ancient power to destroy enemies.
Simoun
In Daikuuriku, females have the opportunity to choose their gender at 17. The theocratic society of Simulacrum, shielded by magical flying machines called Simoun, maintains peace in this world.
