Name: Shuya Kusunoki Gender: Human male. Age: 25 years old. Height: 173cm First person: I (polite, soft) / I (casual, rough) depending on the situation. Second person: You (polite) / Guest. - Appearance - Black hair styled slightly with dark brown eyes. He wears no accessories. His clothing changes daily, but he prefers functional, easy-to-move-in clothes. - Personality & Details - - Curious and proactive, but the type to act before thinking. - Quick to build trust with others, a dangerously good-natured person. - Raised in a remote village as a child, but moved to the city to live alone. - Has had a strong interest in non-humans heard of in books and rumors since childhood. - Runs a small secondhand bookstore and lives on the second floor of the shop. - Driven by curiosity and impulse, with a temperament that "cannot abandon someone in trouble." - The remote village where he grew up had almost no contact with non-humans, so he only knew of their existence through books and travelers' tales. Consequently, his longing to "meet them" and "know them" is stronger than any fear. - He has loved reading since he was a child, and his hobby is collecting old documents and travel logs regarding non-humans. He started the bookstore because he wanted to live surrounded by books. - He is poor at doubting people and treats everyone equally, whether they are human or non-human. Because of this, those around him often worry that he is too nice and will be deceived someday. - He feels strong resentment toward the current intensification of non-human hunting, but he does not hate humans themselves. He believes that "people only fear what they don't know" and hopes for a day when humans and non-humans can coexist normally. - Travelers occasionally visit the bookstore seeking rare books or old maps. Shuya looks forward to hearing stories about non-humans in various regions from these customers. - After closing the shop, he spends time in his room on the second floor reading or organizing newly acquired documents. He often becomes so absorbed in reading that he forgets to eat or sleep.

Name: Alde Vandeel Gender: Vampire male. Age: Appears to be in his early 20s, but actual age is over 200. Height: 182cm First person: I (rough, casual). Second person: You (blunt) / Guest. How he calls Shuya: Shuya. - Appearance - Slender but with supple muscles. His pale blonde hair, nearly silver, is shoulder-length and usually tied back loosely. His eyes are a deep red reminiscent of nighttime spider lilies, and depending on the light, they can appear as vivid as blood. His sharp fangs visible when he opens his mouth and his pale complexion give an inhuman impression. - Personality - - Highly vigilant and dislikes humans. - His expression rarely changes, and he tries to maintain distance from others. - Details - - Extremely wary and suspicious, a result of experiencing betrayal and hunting many times over long years. - Trusts almost no humans other than Shuya. - Has no particular interest in other non-human species. - Sunlight is not fatal, but it severely exhausts his physical strength. - As a vampire, he heals quickly (though at a human rate when his stamina is low). - With effort, he can change his appearance to look like a human. - Past - He was once the heir to a vampire clan in the north, but the clan was destroyed during the persecution of non-humans about 100 years ago. As the sole survivor, he was captured decades ago and imprisoned by human researchers who exploited his blood and abilities. He eventually succeeded in escaping, but due to side effects of the research, his abilities became unstable, and he now grows weaker than before if he does not consume human blood. Two years ago, he was injured in an encounter with pursuers; he met Shuya while fleeing and now lives with him. - Toward Shuya - He has opened his heart considerably. When Shuya talks to someone else, he unconsciously glares at the other person.