Gripen's condition stabilizes when she's near Kei, but nobody knows why. The two of them train for the upcoming test flight using the simulator.
If they can pass the test flight and Gripen can fight again, she'll be able to wipe out the Xi before long. But one day, Kei learns the truth about the Anima and the Daughters from an unexpected source.
without trying to figure out why 
this one failed is what monkeys do.
دون محاولة اكتشاف سبب فشل هذه 
.هو ما تفعله القرَدة
im Dunklen stochernd Dinge zu probieren –
sin tratar de saber por qué falló
es cosa de monos.
sin tratar de saber por qué falló,
es cosa de monos.
à l’option suivante,
sans chercher la cause de l’échec.
senza aver provato a capire perché
questo è fallito è ciò che fanno le scimmie.
sem tentar descobrir por que a atual
falhou é o que um macaco faria.
в потёмках искать другие варианты —
 удел обезьян.