07-GHOST Frau Cosplay Costume Black is fit for costume party. 07-GHOST Frau Cosplay Costume, is made of excellent uniform material. Frau saves Teito's life when Teito falls from his hawkzile. He finds Mikage (as a small dragon) for Teito and accidentally becomes Teito's 'Master' when he attempts to remove Teito's promise collar, thereby invoking a blood contract.