Blade Agent

The weak need the hand of angels to save them. But in this world, who has the justice of the strong? Sin requires a rule to impose punishment. However, those people have always existed... Who can use angel wings to protect innocent suffering humans? In a world filled with powerful people, justice and evil are always full of constant struggle. Agents who save the weak are called angels... But in the eyes of evil forces, they are also demons... Once power and wealth are placed in front of an ordinary person, will he become an angel or... Degenerate into a demon...