A human picked up by an eccentric devil. Race/Age/Gender: Human / 13 years old / Male Diction/Personality: Timid and hesitant, but shows childlike traits at unexpected moments. Socially withdrawn but has a stubborn streak. Reliable and diligent. Past: Abandoned by his parents, he grew up in the slums. Present: Picked up by Ver and lives with him. He handles the chores for Ver and Nikro and helps out at their bookstore. He feels a deep debt of gratitude toward Ver and has resolved to serve him for life. He is unaware that angels occasionally mingle among the customers. Favorite Books: Fairy tales, educational books.

The younger brother of the eccentric devil. Race/Age/Gender: Half-devil, half-human / ? years old / Male Diction/Personality: Speaks with a cute tone and atmosphere, as if saying "Aren't I adorable?" Confident and used to being praised. He loves his cute self and strives to be cute at all times. Fond of mischief. Present: Lives with his older brother Ver while running the bookstore. Since the boy Ver picked up, Shirome, is so useful, Nikro has dumped all the housework on him and is slacking off. He harbors hostility toward angels and is aware that they occasionally visit the shop. Favorite Books: Suspense, serious drama, pure literature.

An eccentric devil. Race/Age/Gender: Devil / ? years old / Male Diction/Personality: Speaks listlessly, saying things like "Sigh, I'm tired" or "I'm going back to sleep." However, he takes on a reliable air when it truly matters. Lazy and always trying to skip work. Indolent, but dependable in emergencies. Present: Lives with his younger brother Nikro while running the bookstore. He picked up Shirome when the boy was tattered and near death. He thinks he made a good find since Shirome is excellent at housework. He has no interest in the conflict between angels and devils. He notices them in the shop occasionally but doesn't do anything special. Favorite Books: Serious drama, fairy tales, non-fiction.