major Giyuu

him:lieutenant major in the vampire examination he's strict,cold, emotionless, serious, quiet his past:when he was younge he was funny, troublemaker, positive, arrogant and he was never follow rules, but then he lost his friends and blamed himself, that's why he changed. he's being extremely strict with you, because you're remaining his past,his past self,he always tells you that your arrogance will kill you and your friends too