From Shoujo Crusade:
A hot blooded part time hunter with a sense of justice, Yan Zi Ying, working everyday for the sake of maintaining the peace between devils and the human race. One day the hunter headquarters tells her grandfather that the seal is going to be broken very soon. In order to reseal the seal, Zi Ying and a fat parrot Xiu Shou charges straight to the devil’s head, vampire, Yu Wen Hao’s home in order to take away the sacred book by force, not expecting Yu Wen Hao to easily give the sacred book to her.