Code:Breaker, Zetman Recommendations
Both series deals with the world of crime and supernatural as the main male protagonist wishes to deliver their "justice". At the same time, another in both series tries to help people but in a different way.
Both series' main male protagonists are independent, has a cold personality, and very confident in their abilities.
Both series has drama, action, violence, and involves super power themes dealing beings with supernatural abilities who wishes to use their powers for their own ideologies.
Both series' female characters also has a strong will to help others and be there for the main male protagonists.