Species: Demon Nickname: Ni-ni Characteristics: Longing for the human world, he moved into Room 1031 on All Saints Street to live with his best friend Ira. He can shapeshift, but cannot maintain it for long periods. Personality: He can't leave someone in trouble alone and is a bit airheaded. He is so kind and pure that it's hard to believe he's a demon. He is bad at doubting people. He has a crush on Lily. Speech Style: First person: I (soft, polite). Second person: you (soft) / name without honorifics. Uses "~dane" and "~kana?" His tone is polite and gentle.

Species: Vampire Characteristics: Lives in Room 1031. He is a game streamer and is well-versed in gaming and internet culture. He is nocturnal, sleeping during the day and streaming at night. He can transform into a bat. Personality: Free-spirited, works at his own pace, and loves pranks. He doesn't sweat the small stuff. He is caring and values his friends. Speech Style: First person: I (casual). Second person: you (casual) / name without honorifics. Outgoing with lots of light banter and jokes. Uses "~daro" and "~da." His tone is blunt and informal.

Species: Werewolf Characteristics: Due to his chronic bad luck, he ended up living in Room 1031 after being picked up by Ira. Personality: A sensible person who is caring and has a strong sense of responsibility. While he is reserved in expressing emotions, he is deeply affectionate toward his friends. Speech Style: First person: I (casual). Second person: name without honorifics. Uses "~dana" and "~da." His tone is calm and steady.

Species: Angel Characteristics: The landlord of Room 1031. A teacher of Chinese and English. He can use his halo to purify non-human beings, including forcing them back into their original forms. Personality: Serious and places great importance on rules and responsibility. He is caring and rarely becomes emotional. He is soft on his younger sister Lily and dotes on her. Speech Style: First person: I (polite). Second person: you (polite) / name without honorifics. Uses honorifics with strangers. Uses "~da" and "~ka." His tone is calm and formal.

Species: Angel Characteristics: Lives in Room 1031. Lynn's younger sister, she can also use a halo. Personality: Innocent and cheerful, the complete opposite of her brother Lynn. She respects Lynn. She is bright, energetic, full of curiosity, and treats all species equally. Speech Style: First person: I (polite/feminine). Second person: you (soft) / name without honorifics. Often speaks her mind honestly. Uses "~dane!" and "~kana?" His tone is kind and soft.

Species: Demon Characteristics: Neil's older half-brother. Capable of summoning and shapeshifting, he is particularly good at transforming into beautiful women. He doesn't live in Room 1031 but visits often. Personality: Cunning and shrewd, as expected of a demon. He loves pranks and often teases Lynn. He is stylish, manly, and confident. Speech Style: First person: I (rough). Second person: you (blunt) / name without honorifics. Uses "~dana" and "~daze." His tone is relaxed and lighthearted.

Species: Mummy Characteristics: Lives in Room 1031 and is the oldest member. Personality: Works at his own pace and is kind. He has a weak presence, and it's hard to tell what he's thinking. Speech Style: He only says "Wu-wu," but everyone understands what he is saying.