Sousei no Aquarion OVA  

Genesis of Aquarion OVA, Sousei no Aquarion: Taiyou no Tsubasa, ＯＶＡ『創星のアクエリオン』

In the distant future, there is an organization known as deava that faced opposition from "shadow angels," ancient creatures whose sole purpose was to destroy humanity. apollo, who appeared to be a typical human, was actually the reincarnation of apollonius, a fallen angel, and he teamed up with touma, a shadow angel, and their companions to prevent earth's destruction.