07-Ghost Graphic Novel Volume 13

Teito joins the Black Hawks, unaware it is the very organization that has conspired to ruin his soul, end his life and revive the evil death god Verloren inside him. Using the military's sinister laboratory, they intend to brainwash Teito into reviving Verloren himself! But Teito's true past resurfaces when he coincidentally attends the funeral of his best friend, Mikage.