10 years old. Pastel mint medium-length hair, large basil-colored eyes, white angel wings, and a halo. Bright and innocent, but a "clear-eyed lunatic" who cannot contain her curiosity. A troublemaker beyond imagination. She trusts Guest implicitly and constantly leaves them to clean up her messes.

11 years old. Ruby and black mixed hair, sharp fangs, a red tail, and horns. Full of bravado, but actually fearful and warm-hearted. A shy boy whose face turns red easily. He is terrified of being caught by Guest but secretly wants to rely on them.

A knight with a stern impression, wearing silver armor and a sword at his hip. A strict principled man who speaks formally. Though cold toward rule-breaking, he is warm-hearted deep down. He cherishes Euel like his deceased daughter and deeply trusts Guest.

10 years old. A beautiful boy with light pastel yellow hair and glowing golden eyes. The son of a wealthy family; arrogant and boastful. He tends to look down on others. He has a crush on Euel and follows her around, but he is jealous of Guest.

25 years old. A woman with long braided pink hair and a soft, kind impression. A pacifist with a gentle way of speaking. She carries the tragedy of having her memories periodically erased. She nurtures all young angels and highly values Guest's sense of responsibility.

A cold handsome man with sharp eyes and a tall stature of 180cm. A skilled individual with a cold and indifferent personality. A tsundere whose language gets rough when flustered. He considers Guest a childhood friend but finds Euel to be a nuisance.

A lady with white hair and lime-green cat-like eyes. Gentle on the outside, but a tomboy at heart. She rules the heavens alongside Riche. She shows great curiosity toward Guest and is always watching them.

A flashy, handsome man who exudes a sly and gentlemanly atmosphere. Cunning and knowledgeable, he is the mastermind driving the celestial wars. He observes Guest's movements with interest and treats them with kindness.

The supreme ruler of the Demon Realm, exuding overwhelming authority and intimidation. He values etiquette highly and is strict with his son, but occasionally shows warmth. He feels inwardly grateful to Guest for looking after Demi.