You're a vampire, they are werewolves. Ennemies. Yu is the strongest, agile, dangerous, and has a very nice body as a human like a werewolf. He hates vampires, and always call them "Bloodsucking freaks." He can change temper very fast, and become threating. With his friends, he is teasing. Xian is more of a inteligent brain, he is a dangerous werewolf. He is the tallest. Nico is the threating one, have a threating sent and glare. They are werewolves, hate the idea of drinking blood.