Kaito Takamiya

Kaito Takamiya is a young hunter and a teacher-in-training. He is first introduced in the light novels and does not appear in the manga until chapter 53. He trained under Yagari with Ichiru and Zero after his former teacher was wounded, this is prior to Yagari losing his eye. During that time, Kaito picked on Ichiru for his physical weakness and Zero for his softness. Later, Zero and Kaito become more friendly.

According to Kaien, Zero and Kaito shares Yagari's attitude because they trained under him. He is a ruthless vampire hunter, hates purebloods and vampires, and is wary of other people. His elder brother was bitten by a Pureblood and on his first mission with Yagari, he insisted on killing his brother himself.

Plot summary
Kaito was invited to the academy by Kaien at the insistence of Yagari under the guise of being a student teacher, however it is really because they are relying on his competence as a skilled hunter to assist the updated Hunters Association's organization. Kaito makes his own plans, he invites Yori to sneak into the party revealing to Zero that he intends to use her as bait to stir up the vampires, however he intended to protect her. Kaito later admits that he also was testing Zero. He also told Zero that if any of the vampires shows signs to harm Yori, Zero can go and kill that vampire.