Bonodore

Information
Bonodore is the Archduke of Tsia.

Appearance
A sharply dressed, handsome gentleman. He was somewhat muscular, but what stood out was the pair of white wings growing from his back.

Volume 7
He had a quest to destroy or get information about a criminal organization because other B-rank adventurers would have been too famous, he chose Keima and one of his party members to do it.