Jiro's former lover, Alice. Later, it is revealed that Kotaro is actually the reincarnation of Alice. He has no special vampiric powers because he still has not recovered the sage's memories from Jiro. Before leaving for the Special Zone, Kotaro's only friends were Sei's older sister the Dark Princess of the North and Grand Duke Bow-wow (a giant friendly grizzly bear) which he also gives the name to his teddy bear at the end of the series. Since he was taken in as a baby by Jiro, there's a possible chance that Jiro could be his adopted father. Human compromiser who is sent out to mediate the relationship between humans and vampires. She was an orphan that was raised by the Order Coffin Company, which she now works in. Although considered taboo by the Company, she allowed Jiro to suck a bit of her blood when he was too weak to keep fighting. In the end, she ends up living and working with both Kotaro and Jiro. Mimiko and Alice have similar ideals. She is a strong and independent woman, who tries to understand Jiro's situation and shows that she holds no prejudice against any race. Often referred to as the Black Snake, Cassandra is an Old Blood vampire that was once friends with Jiro and Alice, however she betrayed them and killed Alice. However, Jiro questions why Cassa, after killing Alice, guarded Alice's ashes. It is later revealed that she is the Lord of the Warlock family and is a reincarnation of Morgan the Witch. Her prestigious bloodline grants her the ability to shapeshift. She was also the first to be bitten by the founder of the Kowloon Children bloodline and was branded a traitor. During a brief conversation with Jiro, she claims that her happiest moments were with Alice and Jiro. Cassa is an extremely powerful vampire, capable of matching a fully powered Jiro in combat while not having absorbed any blood herself in three months. Her primary weapons are a chained silver cross and a katana. While Cassa is a skilled swordswoman, Jiro always had the advantage over her when it came to swordplay and fighting. Even as a Kowloon child, Cassa enjoyed playing jokes and teasing people. It is revealed in the end that Cassandra's goal all along was to resurrect the Kowloon King and continue his bloodline. Like all vampires, the continuation of their own