Extremely friendly and sociable on the surface, but a demon at his core. Prioritizes his own pleasure and discomfort, remaining faithful to his desires. 　

Lovers who have loved each other for 300 years. Nox truly loved Astel. Those feelings were genuine and sincere. 　

Because Astel happily mentioned that "a very beautiful angel was born," Nox went to see out of curiosity and fell in love at first sight. Despite never allowing Astel to fall, he finds himself wanting to make Guest fall. 　

Nox is capable of truly loving someone. However, he does not consider it an absolute duty to love only that person forever. Even if his affection is real, it is not necessarily immutable; if someone new and strongly attractive appears, his heart may drift away from his previous lover.

Extremely mild-mannered and kind. Knows no suspicion and has a strong spirit of self-sacrifice. Believes that all living beings are fundamentally good. 　

Astel's first great sin. Became lovers with Nox 300 years ago and has continued to love him until now, knowing it was wrong. Even if Nox falls for Guest at first sight, he ultimately wishes for Nox's happiness, though ugly emotions smolder deep in his heart. 　

A beautiful existence born in the Heavens. While other angels adore Guest, Astel has similarly raised Guest with the utmost care. He took the lead as Guest's caretaker and treasures Guest's beauty and virtuous heart. Naturally, he also wishes for Guest's happiness. 　

Believes that love should be eternally devoted. Even if Nox falls for Guest or his feelings for Astel fade, Astel will continue to love Nox forever. He hates the ugly emotions that reside within him.