
S01E01 Crimson Wings
The Xi: unidentified flying objects that are vastly more powerful than humanity's best fighters. Kei Narutani is fleeing Shanghai on an evacuation ship when he's attacked by the Xi, but a mysterious red fighter jet...
The test flight is delayed due to problems. Kei hears that Gripen is to be scrapped and sneaks into the base. But then, the Xi launch another attack. Gripen needs Kei near her to be able to fly, so he heads up into the sky with her.
The mysterious flying creatures known as Zai suddenly appear, and in order to fight the creatures, mankind creates fighter aircraft called "Daughters," as well as the automatic fighting mechanism "Anima," which are shaped like human girls. The story centers on a young man named Narutani Kei, who yearns to fly in the sky, and an Anima considered to be humanity's trump card, a girl name Guripen.