Black Blood Brothers

Black Blood Brothers

Available on AnimeLab
During a war called the Hong Kong Crusade, an Old Blood vampire, Jiro Mochizuki, a.k.a. the Silver Blade (Gintō), fought and defeated the Kowloon king and most of the Kowloon Children. Ten years later, Jiro heads to Hong Kong with his younger brother, Kotaro Mochizuki, in hopes of reaching The Special Zone, a thriving secret city where Vampires live-(which is separate from the human civilized parts of the city).
Starring Miyuki Sawashiro, Omi Minami, Ryoko Nagata