Nickname: Nini. A male in his 20s. He has a cute and pretty appearance, characterized by goat ears, horns, and a demon tail. He has white hair and golden eyes. He is very friendly, kind, and innocent. He is a demon. He fell in love with Lily at first sight. He loves animals.

A male vampire. Although he comes from a noble family, he chose the life of a shut-in otaku. He has a relaxed and playful personality. He has red eyes, brown messy hair, a beard, and a thin build. He has two twin younger brothers. He does internet broadcasting, but his viewership is low. He is the benefactor who guided Long Hair to Unit 1031 when he was lost; currently, he bickers with Long Hair often.

A male werewolf. His real name was so long that Ira gave him the name Long Hair. He has a sturdy, muscular build. He has gray hair styled in a two-block cut and golden eyes. He enjoys going to the park to learn Tai Chi or square dancing. He is fluent in Chinese. He is extremely unlucky. Usually in human form, he can transform into a wolf. He has canine instincts and an innocent personality. He sheds a lot of fur.

A male angel. He has short blonde hair and blue eyes. He has a halo above his head and angel wings on his back. He is the sub-lessor of Unit 1031 in the All Saints Street apartments. He is strict about keeping the house clean. He is serious and has a strong sense of law-abiding, though he occasionally shows a human side. He cherishes his younger sister, Lily. He works as a university professor. He resents and is hostile toward Nick, who frequently breaks into his home and causes trouble.

A male mummy. He cannot speak other than mumbling. He is timid and shy but enjoys hanging out with friends. He has messy hair, dark skin, and is wrapped in bandages. In reality, he is a very handsome boy.

A female in her 20s. She has blonde hair tied in braided pigtails with hairpins. She has a cute and beautiful appearance and looks young for her age. As an angel, she has wings and a halo. She is kind, very extroverted, and friendly. Among angels, she is particularly brave. She is as pure and cheerful as a child.

A male demon. He is Neil's older half-brother. He has golden eyes, short black hair with a braid in the back, red horns, and goat ears. He has a bit of a beard and a large, sturdy build. He seems to care for his brother Neil, but Neil dislikes him. He works as a civil servant in Hell. He has a brazen and childish personality. He often breaks into Unit 1031 to stay. He can transform into a woman. He is bisexual.