1. Fallen Wings
Tragedy strikes Chor Tempest in its first battle against the air fleet of the Argentum Archipelago, and two mysterious new Sibyllae join the chor.
Simoun — Season 1
2. The Blue Spring
Elly must choose whether to become male or female when she visits the Spring to choose her sex, and Aer tries to convince Neviril not to follow Elly into the Spring.
3. The Distant War
Aer tries to convince Neviril to rejoin Chor Tempest and pair with her, as Chor Tempest struggles with its morale after its recent losses.
4. The Nearby War
Aer searches for a new pair in the face of Neviril's continuing refusal, and she and Rimone encounter the enemy up close.
5. White Loneliness
Dominūra arrives to try to turn Chor Tempest around, starting with Limone. Limone has her first flight as an auriga and struggles with demons from her past.
6. Wounds and Pain
As Neviril remains reclusive, Paraietta wrestles with her feelings for Neviril, and with Kaim's feelings for her.
7. Over International Waters
Two new recruits shake up Chor Tempest as the Arcus Prima prepares to host a peace conference.
8. Prayer
Chor Tempest plays host to a foreign priestess as Simulacrum tries to make peace with Plumbum. But just how similar are their religions?
9. The Hearing
After rescuing the Arcus Prima from a trap, Chor Tempest faces its greatest threat: disbandment.
10. Birds in a Cage
Dominūra finds Chor Tempest a new home while Arcus Prima is in drydock. But what is she really up to?
11. United Front
Chor Tempest joins with an infantry unit to carry out an airmobile assault, and finds itself on the front lines of the ground war.
12. Sisters
Alty and Kaim are forced to try to fly together, but the shadow of the past haunts the two of them.
13. Reason
Aer upsets Neviril when she asks to try the Emerald Ri Mājon with her.
14. Sacrosanct
Dominūra asks Wapōrif to dismantle a Simoun to find out how it works.
15. One, and Then Another
Chor Tempest sorties one by one to search for a shadowy enemy, as the consequences of recent events hit home emotionally for many of its members.
16. The Emerald Ri Mâjon
Rimone and Dominūra attempt the Emerald Ri Mājon as the Messis comes under heavy attack, and repairs to the Arcus Prima are completed.
17. The Ruins
When Headquarters suspects that the enemy may be stealing helical motors from Simulacrum's holiest shrine, Chor Tempest is sent to investigate. They make an extremely surprising discovery.
18. The Funeral
The funeral of a Simoun pilot brings high-ranking Simulacran officials aboard the Arcus Prima, and gives them an opportunity to try to micromanage Chor Tempest.
19. Sibylla
Chor Tempest searches for the Argentine base ship that Alty and Kaim found, but Aer and Yun are left behind.
20. Lament
After the death of another of their members, the remaining Sibyllae of Chor Tempest must somehow find the strength to keep fighting.
21. The Door to a New World
As the war turns disastrously against Simulacrum, the mystery of the Emerald Ri Mājon is revealed, and the religious authorities have a special request for Aer and Neviril.
22. Sortie
Chor Tempest carries out a last-ditch defense of the Simulacran capital as the war comes to a conclusion.
23. Eternal Maidens
Simulacrum and its opponents come to a peace treaty. The condition: Chor Tempest must be permanently disbanded. Meanwhile, Yun investigates the mystery of the Spring and Onasia.
24. Choices
The members of Chor Tempest are ordered to go to the Spring to choose their permanent sex. Yun makes a fateful choice.
25. Pair
After the rest of Chor Tempest goes to the Spring, Aer and Neviril must escape to attempt the Emerald Ri Mājon.
26. Their Portraits
Years after the war, the former members of Chor Tempest reflect on their lives.