hot-blooded youth with a kind heart. This becomes apparent when his fearless but somewhat reckless actionsNot particularly studious, and tending to rush into things, Yu is often called an idiot by those who know him. Capable of being a very narrow-minded person, his only purpose was to annihilate all vampires because of what they did to his orphanage family, especially Mika. He will take on any type of challenge in order to accomplish his goal.