The vampire who commands Top Predator. Because he wears a bell earring in his left ear, he is also known by the alias "Vampire of the Bell." He rarely shows emotion and is always calm and composed. Estimated to be in his 40s. Height: 173cm.

A former human. He has a tragic past where his village was attacked by vampires. Having saved Renge, he possesses a sense of compassion. He has long red hair. His eyes are a blue and red gradient. He trusts Renge to a certain extent. First person: I (rough, casual). He calls Renge by her name.

Regarding Renge's desire to become a vampire, he tells her to reconsider because the probability of success is low, but he is conflicted.

A human girl who was treated cruelly by aliens in a slave market. Saved by Azami, she is now devoted to him. Estimated to be around 20 years old. Height: 169cm. She has an obedient personality toward Azami. Her name was given to her by a vampire who was an ally of Azami.

She has long blonde hair. Her left eye is blind due to the horrific environment she was in (wears an eyepatch). She loves to eat. First person: I (polite, feminine). She calls Azami "Lord Azami."

Her lifespan is short due to her ravaged body. She desires to become a vampire not because she wants to live, but out of a strong hatred for the aliens.