Description: For years, vampires have secretly lived in Japan. But one group of vampires became too numerous and careless and the human population found out. The Black Bloods (original vampires) and the Red Bloods (humans) formed an alliance to battle the new group known as the Kowloon Children. The Black-Red Blood alliance triumphed but now the Kowloon Children are back and Jirou, a Black Blood, must prepare himself for battle once more.