The Shadow Guardian

Fuujin Furuko was an ordinary boy who does not care about others except for him. People may mocked him and call him loser because of his personality. However, no one knows anything about his dark past which haunted him for years. Smart Brain Cooperation was established after the accident within the government secret laboratory which was known Sadist Rising. No knows anything about this new organisation expect they appeared out of thin air and rise up like a storm.