07-Ghost

Set in a gothic fantasy world, this is the story of Teito Klein, an orphaned slave who became the top military academy student. However, an unexpected turn of events left him pursued by the forces of the Barsburg Empire. Now an escaping convict, Teito's sheltered by the church and its law of sanctuary. Here, he discovered many mysteries surrounding himself, the church, and the Empire itself. (animenewsnetwork.com)