Saint Beast: Kouin Jojishi Tenshi Tan

A long time ago, Zeus, the great god, created a three–tier hierarchy of angels, top, middle and lower, although they were supposed to be equal. Also, Zeus appointed 6 angels as Saint Beasts who govern the animals of Earth. They were: Go, the seiyu; Shin, the genbu; Rei, the suzaku; Guy, the byakko; Yuda, the kirin; and Ruka, the hooh. However, Kira, the shooting star, and Maya, the fuga, didn’t attend the selection tests and left for the Earth. The six angels fulfilled their tasks faithfully. However, because of Zeus’s increasingly tyrannical acts, they begin to mistrust him. (Source: AnimeNfo)In the ancient past, the Highest level of angels, the Six Saintly Beasts reigned supreme as the beast kings. Two of the Saint Beasts disobeyed Gods order and was sealed away in a Hellish place. Now after thousands of days and nights, the barrier has weakend and they escape. So the remaining four must go to Earth and stop them from causing trouble.