虐待された悪魔 Abused Devils [Dropped]

A man who has amnesia and helps people then gets abducted. It later becomes apparent that he is a being that is not human but something not from this world. he has power beyond belief and yet not knowing who or what he is he still saves people. until he comes across another being with abilities like his own but uses them to save people. but without knowing there is another force of power that hits the man sending him flying, ace (the main protagonist) hides from the group of people. these people were the same as the ones that abducted him