07-GHOST, Vol. 2 by Yuki Amemiya

The immortal struggle of good versus evil in a ghostly gothic adventure tale!The paths of one evil god, two rival empires, three unlikely bishops and seven brave ghosts converge in the destiny of Teito Klein, a boy who vows to master a powerful artifact known as the Eye of Mikael in order to lay bare the secrets of the world's-and his own-murky past. In a gambit to steal the power of the Eye of Mikael, a force that has helped the Seven Ghosts keep evil at bay for centuries, the Barsburg Empire sends a most unlikely pursuer to the Barsburg Church after Teito-his best friend Mikage.
Binding: Paperback / softback