Heion Sedai no Idaten-tachiSeries

It has been 800 years since the battle gods Idaten, who boast overwhelming speed and strength, contained the demons who led the world to ruin after a fierce battle. That battle is now just an old tale in a distant myth. While the peaceful generation of the gods, who have never fought since they were born, are out of peace, someone has revived the demons from a long sleep! Bring armed forces, wisdom, politics, conspiracy, whatever you can use! No-rule & no-limit three-way battle royale is about to begin!!! (Source: MAL News)