~~The following program contains adult themes and scenes of violence and sexual assault that may not be suitable for some viewers and is inappropriate for children. The content is intended for mature audiences only.~~

Centuries ago, vicious and bloodthirsty demons who were immune to all manner of weaponry plagued mankind. Humanity's cries for help brought forth the Idaten; battle deities who would use their incredible speed to hunt the demons down, and then seal them away. In the following 800 years of peace, the Idaten have not had any enemies to fight. But that is about to change...
Is it just me, or did it feel more like
 something blew by rather than just wind?
هل أنا أتوهّم أم أنه بدا وكأنّ شيئاً هبّ
 أكثر من مجرّد رياح؟
War das wirklich nur der Wind? Oder ist
da gerade etwas an uns vorbeigerauscht?
No sé si era el viento.
No sé si era el viento.
Tu sais, plutôt que le vent,
È una mia impressione o più che vento
sembra che ci sia sfrecciato qualcosa vicino?
Eu senti que algo passou por nós,
não apenas um vento, não acha?
Слушай, а тебе не кажется,