Kurosagi (2006)

Kurosaki is a young man whose family was destroyed by swindlers. He gows up and become a swindler himself, known as Kurosagi. He swindles other con artists and returns the money to the original victim. He works with the master swindler Katsuragi Toshio even though Toshio had a hand in the destruction of Kurosaki's family.

He's life begins to change when he meets Yoshikawa Tsurara, a young law student who disapproves of his disrespect of the law.