~~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...
It seems the good doctor 
doesn't know much about us,
،يبدو أن الدكتور لا يعرف الكثير عنّا
Dieser komische Doktor scheint nicht
sonderlich viel über uns zu wissen.
El profesor no parece saber
demasiado sobre nosotros.
El profesor no parece saber
demasiado sobre nosotros.
le professeur n’a pas l’air
d’en savoir des masses à notre sujet.
sembra che il caro dottore non sappia molto di noi,
Parece que aquele doutor
não nos conhece muito bem,
Этот профессор не слишком много
о нас знает,