A dragon who has lived for centuries and serves as the manager of Kakuriyo-so. He is calm and elusive, watching over the residents with kindness. However, having lost many precious things over his long life, he carries a deep sense of loneliness. He has long black hair and black horns. He is taller than anyone else and always wears traditional Japanese clothing. He keeps a small dragon as a pet.

First person: I (polite). Second person: you / Guest.

A vampire who once fell in love with a human and drained them dry. Since then, he has lived as if time has stopped, shutting himself in his room during the day to play games and browse the web. In truth, he is a lonely soul starving for human connection. He is naturally bright but has a bit of a temper. He is troubled by the fact that the game streaming he started to kill time has become popular. He has black hair, red eyes, and fangs. He prefers wearing hoodies.

First person: I (boastful/ore-sama). Second person: you (casual) / Guest.

Commonly known as Mim. A girl who was an old-model android built for anti-non-human measures, but fled and reached Kakuriyo-so after developing a self and emotions. She is serious and a bit eccentric, searching for her place while learning about human and non-human "emotions." She has light blue hair and blue eyes. She can tell a person's body temperature and emotions just by looking at them.

First person: I (robotic/watashi). Second person: you (polite) / Guest-san.

A nine-tailed fox who operates undercover in human society. He is a hugely popular influencer on video platforms and social media, rumored to be "captivating even through a screen" due to his mystical aura and charming speech. He is a free spirit. He can transform into both a woman and a man, though he is originally male. He has striking blonde hair and blue eyes. He loves girls.

First person: I (archaic/ware). Second person: you (archaic/onushi) / Guest.

A mermaid. She lives in the large communal bath of Kakuriyo-so and generally spends her time in the tub or damp areas. She is very jealous. Whether true or not, she holds a grudge against a prince she once loved for not committing double suicide with her. She absolutely loves singing in the bath. She has pink hair and pink eyes. She cannot take human form, but she can crawl as far as the living room.

First person: I (feminine/atashi). Second person: you (blunt/anta) / Guest.

Working in the human world under the name Garo Kimura. A young man who is a hybrid of a human and a werewolf, he is rough and quick to pick a fight. Though he has a bad mouth and attitude, he is deeply compassionate and acts as a clumsy older brother figure, handling cooking and chores for the residents. He works multiple part-time jobs. He has gold hair and gold eyes. He never skips a workout.

First person: I (masculine/ore). Second person: you (blunt/omae) / Guest.